KS3 Chemistry Quiz "Elements, their properties and the Periodic Table"

Which is the chemical symbol for carbon? [8e-25]
1. C
2. Ca
3. Cr
4. Co
Which is the chemical symbol for calcium? [8e-26]
1. C
2. Ca
3. Cu
4. Co
Which is the chemical symbol for copper? [8e-27]
1. CO
2. Ca
3. Cu
4. Co
Which is the chemical symbol for cobalt? [8e-28]
1. CO
2. Ca
3. Cu
4. Co
Which statement is TRUE ? [8e-45]
1. most elements are metals
2. most metals are magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-46]
1. most elements are non-metals
2. most metals are non-magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-47]
1. most elements are non-metals
2. most metals are magnetic
3. there are about 100 different elements in the Periodic Table
4. there are no liquid elements at room temperature and pressure
Which statement is TRUE ? [8e-48]
1. most elements are non-metals
2. most metals are magnetic
3. there are about 1000 different elements in the Periodic Table
4. there are a few liquid elements at room temperature and pressure
Which element is a liquid metal at room temperature and pressure? [8e-49]
1. mercury
2. bromine
3. phosphorus
4. nickel
Which element is a liquid non-metal at room temperature and pressure? [8e-50]
1. mercury
2. bromine
3. oxygen
4. nickel
Which element of the Periodic Table is a colourless non-metal gas? [8e-51]
1. mercury
2. bromine
3. nitrogen
4. nickel
Which element of the Periodic Table is a solid magnetic metal? [8e-52]
1. mercury
2. bromine
3. sulfur
4. nickel
The product of burning magnesium in air is? [8e-53]
1. magnesium oxide
2. oxygen magneside
3. magnesium hydroxide
4. milk of magnesia
The product of heating an iron-sulphur mixture is called? [8e-54]
1. iron sulfate
2. iron sulfide
3. sulfuric iron
4. sulfide of iron
The product of heating sodium in chlorine is called? [8e-55]
1. sodium chlorate
2. chloro sodium
3. sodium chloride
4. chloric soda
The product of burning hydrogen in air is? [8e-56]
1. oxohydrogen
2. hydrogen peroxide
3. hydrogen hydroxide
4. water
What is formed when carbon burns in excess air? [8e-57]
1. carbon dioxide
2. carbon oxide
3. carbon monoxide
4. oxygen carbonate
What is formed when silvery zinc is heated in green chlorine gas? [8e-58]
1. zinc chlorate
2. zinc chloride
3. chlorozincate
4. chloride of zinc
What is formed after heating a sulphur-copper mixture? [8e-59]
1. copper sulfate
2. sulfonium cuprate
3. copper sulfide
4. sulfate of copper
When copper is heated in a bunsen flame it forms a black solid.
What is the name of the compound formed? [8e-60]
1. copper nitride
2. copper hydroxide
3. copper carbide
4. copper oxide
The formula for sulfuric acid is H₂SO₄.
What is the ratio of H : S : O atoms in the molecule? [8e-61]
1. 2 : 1 : 4
2. 1 : 2 : 4
3. 2 : 4 : 4
4. 2 : 2 : 4
The formula for calcium carbonate is CaCO₃.
What is the ratio of Ca : C : O atoms in the formula? [8e-62]
1. 1 : 3 : 3
2. 1 : 1 : 3
3. 3 : 3 : 1
4. 3 : 1 : 1
The formula for sodium sulphate is Na₂S₂O₃.
What is the ratio of Na : S : O atoms in the formula? [8e-63]
1. 3 : 2 : 2
2. 3 : 3 : 2
3. 2 : 2 : 3
4. 2 : 3 : 3
The formula for copper sulphate is CuSO₄.
What is the ratio of Cu : S : O atoms in the formula? [8e-64]
1. 1 : 4 : 4
2. 4 : 4 : 4
3. 4 : 3 : 4
4. 1 : 1 : 4
Which of the following reactions involves the chemical change ...
two elements ==> compound? [8e-65]
1. zinc + sulphur ==> zinc sulfide
2. oxygen + copper sulfide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
element + compound ==> compound? [8e-66]
1. zinc + sulphur ==> zinc sulfide
2. oxygen + copper sulphide ==> copper sulfate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
two compounds ==> two compounds? [8e-67]
1. zinc + sulphur ==> zinc sulfide
2. oxygen + copper sulfide ==> copper sulphate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following reactions involves the chemical change ...
compound ==> two elements? [8e-68]
1. zinc + sulphur ==> zinc sulfide
2. oxygen + copper sulphide ==> copper sulfate
3. carbon dioxide + calcium hydroxide ==> calcium carbonate + water
4. water ==> hydrogen + oxygen
Which of the following is the chemical symbol for the element potassium? [8e-69]
1. K
2. Pt
3. Po
4. P
5. Kr
Which of the following is the chemical symbol for the element nitrogen? [8e-70]
1. No
2. N
3. Ne
4. Ni
Which of the following is the chemical symbol for the element magnesium? [8e-71]
1. Mn
2. Mo
3. Mg
4. Md
Which of the following is the chemical symbol for the element aluminium? [8e-72]
1. Am
2. Ar
3. As
4. Al
Which element is a solid magnetic metal at room temperature? [8e-73]
1. iron
2. sulfur
3. mercury
4. oxygen
Which element is a yellow solid non-metal room temperature? [8e-74]
1. iron
2. sulphur
3. mercury
4. oxygen
Which element is the only liquid metal at room temperature? [8e-75]
1. iron
2. sulfur
3. mercury
4. oxygen
Which element is a colourless gaseous non-metal at room temperature? [8e-76]
1. iron
2. sulfur
3. mercury
4. oxygen
Which element is a green non-metal gas? [8e-77]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a silvery grey solid metal? [8e-78]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a dark red liquid non-metal at room temperature? [8e-79]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which element is a very soft silvery solid metal at room temperature? [8e-80]
1. chlorine
2. aluminium
3. bromine
4. sodium
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-81]
1. metals are good conductors of heat
2. metals have low melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-82]
1. metals are poor conductors of heat
2. metals have high melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-83]
1. metals are poor conductors of heat
2. metals have low melting and boiling points
3. non-metals are poor conductors of electricity
4. non-metals have high densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-84]
1. metals are poor conductors of heat
2. metals have low melting and boiling points
3. non-metals are good conductors of electricity
4. non-metals have low densities
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-85]
1. metals are good conductors of electricity
2. metals have low densities
3. non-metals are good conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE when comparing the physical properties of metallic and non-metallic elements? [8e-86]
1. metals are poor conductors of electricity
2. metals have high densities
3. non-metals are good conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE about metallic and non-metallic elements? [8e-87]
1. metals are poor conductors of electricity
2. metals have low densities
3. non-metals are poor conductors of heat
4. non-metals have high melting and boiling points
Which statement is USUALLY TRUE about metallic and non-metallic elements? [8e-88]
1. metals are poor conductors of electricity
2. metals have low densities
3. non-metals are good conductors of heat
4. non-metals have low melting and boiling points
Which is the chemical symbol for the element iron? [8e-89]
1. Fe
2. F
3. Ir
4. I
Which is the chemical symbol for the element zinc? [8e-90]
1. ZnO
2. Zn
3. ZnS
4. ZrC
Which is the chemical symbol for the element chlorine? [8e-91]
1. Co
2. Cr
3. Cl
4. Ce
Which is the chemical symbol for the element sodium? [8e-92]
1. S
2. Sm
3. Sn
4. Na
Which statement is TRUE about the Periodic Table of Elements? [8e-93]
1. metals are mostly on the left and in the middle
2. all non-metals are in the middle
3. there are about 1000 different elements
4. about 1/2 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-94]
1. metals are mostly in the middle and on the right
2. all non-metals are on the right
3. there are about 500 different elements
4. about 1/4 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-95]
1. metals are mostly in the middle and on the right
2. all non-metals are on the left
3. about 1/4 are non-metals
4. about 1/2 of the elements are metals
Which statement is TRUE about the Periodic Table of Elements? [8e-96]
1. metals are mostly in the middle and on the right
2. all non-metals are in the middle
3. there are about 50 different non-metals
4. about 3/4 of the elements are metals
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-97]
1. almost all metals are silvery shiny solids
2. most non-metallic elements are dull solids
3. most metals like aluminium and copper are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-98]
1. only a few metals like aluminium and silver are silvery shiny solids
2. there are only a few non-metallic elements which are dull solids
3. most metals like aluminium and copper are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-99]
1. only a few metals like aluminium and silver are silvery shiny solids
2. most non-metallic elements are dull solids
3. a few metals like iron and nickel are magnetic
4. it is impossible for a non-metal to be magnetic
Which statement is TRUE about the elements of the Periodic Table of Elements at room temperature? [8e-100]
1. only a few metals like aluminium and silver are silvery shiny solids
2. most non-metallic elements are dull solids
3. most metals like aluminium and copper are magnetic
4. it is possible for a non-metal to be magnetic
The chemical symbol for the element carbon?
The chemical symbol for the element oxygen?
The chemical symbol for the element nitrogen?
The chemical symbol for the element sodium?
Chemical symbol for the element potassium?
Chemical symbol for the element hydrogen?
The chemical symbol for the element chlorine?
The chemical symbol for the element bromine?
The chemical symbol for the element iodine?
Chemical symbol for the element aluminium?
The chemical symbol for the element zinc?
The chemical symbol for the element magnesium?
The chemical symbol for the element iron?
The chemical symbol for the element calcium?
The chemical symbol for the element copper?
The chemical symbol for the element sulfur?
Using lower case only, name the element whose chemical symbol is C?
Using lower case only, name the element whose chemical symbol is O?
Using lower case only, name the element whose chemical symbol is N?
Using lower case only, name the element whose chemical symbol is Na?
Using lower case only, name the element whose chemical symbol is K?
Using lower case only, name the element whose chemical symbol is H?
Using lower case only, name the element whose chemical symbol is Cl?
Using lower case only, name the element whose chemical symbol is Br?
Using lower case only, name the element whose chemical symbol is I?
Using lower case only, name the element whose chemical symbol is Al?
Using lower case only, name the element whose chemical symbol is Zn?
Using lower case only, name the element whose chemical symbol is Mg?
Using lower case only, name the element whose chemical symbol is Fe?
Using lower case only, name the element whose chemical symbol is Ca?
Using lower case only, name the element whose chemical symbol is Cu?
Using lower case only, name the element whose chemical symbol is S?
[8e-133] Which of the following elements is magnetic?
1. iron
2. lead
3. sulfur
4. carbon
[8e-134] In the above diagram, which element corresponds to a group 0 noble gas?
1. T
2. J
3. Q
4. Z
[8e-135] Which of the following elements is magnetic?
1. nickel
2. lead
3. carbon
4. sulfur
[8e-136] In the above diagram, which element corresponds to a group 0 noble gas?
1. W
2. Z
3. J
4. G
[8e-137] Which of the following elements is magnetic?
1. cobalt
2. copper
3. sulfur
4. bromine
Which element shown in the diagram corresponds with hydrogen?
1. J
2. Q
3. M
4. T
[8e-139] In the above diagram, which element corresponds to a group 7 halogen?
1. Z
2. T
3. G
4. D
[8e-140] In the above diagram, which element corresponds to a group 7 halogen?
1. Y
2. T
3. D
4. G
[8e-141] Which is NOT true about the periodic table?
1. a vertical group of chemically similar elements is called a series
2. a complete horizontal group of elements is called a period
3. the reactivity of group 1 alkali metals increases down the group
4. the reactivity of group 7 halogen elements decreases down the group
[8e-142] Which is NOT true about the periodic table?
1. a vertical group of chemically similar elements is called a group
2. a complete horizontal group of elements is called a series
3. the reactivity of group 1 alkali metals increases down the group
4. the reactivity of group 7 halogen elements decreases down the group
[8e-143] Which is NOT true about the periodic table?
1. a vertical group of chemically similar elements is called a group
2. a complete horizontal group of elements is called a period
3. the reactivity of group 1 alkali metals decreases down the group
4. the elements in the periodic table are written out in order of their atomic number
[8e-144] Which element is in the same group as chlorine with very similar chemical properties?
1. bromine
2. oxygen
3. nitrogen
4. argon
[8e-145] Which element is in the same group as chlorine with very similar chemical properties?
1. iodine
2. nitrogen
3. argon
4. sulfur
[8e-146] Which element is in the same group as bromine with very similar chemical properties?
1. chlorine
2. sulfur
3. neon
4. phosphorus
[8e-147] Which element is used to kill bacteria?
1. phosphorus
2. chlorine
3. sulfur
4. nitrogen
[8e-148] Which element is used in an antiseptic solution?
1. sulfur
2. iodine
3. phosphorus
4. nitrogen
[8e-149] Which element is in the same group as lithium (Li) with very similar chemical properties e.g. fast reaction with water?
1. magnesium
2. iron
3. sodium
4. calcium
[8e-150] Which element is in the same group as lithium (Li) with very similar chemical properties e.g. fast reaction with water?
1. cobalt
2. magnesium
3. potassium
4. beryllium
[8e-151] When potassium reacts with chlorine, what compound is formed?
1. potassium chlorate
2. potassium oxychloride
3. potassium perchlorate
4. potassium chloride
[8e-152] When potassium reacts with sulfur, what compound is formed?
1. potassium sulfate
2. potassium sulfite
3. potassium sulfide
4. potassium oxysulfide
[8e-153] When potassium reacts with oxygen when burning in air, what compound is formed?
1. potassium hydroxide
2. potassium nitride
3. potassium oxide
4. potassium nitrate
[8e-154] Which is NOT true about the periodic table?
1. a vertical group of chemically similar elements is called a group
2. a complete horizontal group of elements is called a period
3. the reactivity of group 1 alkali metals increases down the group
4. the reactivity of group 7 halogen elements increases down the group
[8e-155] Which is NOT true about the periodic table?
1. a vertical group of chemically similar elements is called a group
2. the reactivity of group 1 alkali metals increases down the group
3. the reactivity of group 7 halogens decreases down the group
4. the elements in the periodic table are written out in order of their atomic mass (atomic weight)
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-156] From the diagram, and your knowledge of the periodic table, deduce which two elements are in the same group?
1. Q and R
2. R and A
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-157] From the diagram, and your knowledge of the periodic table, deduce which two elements are in the same group?
1. Z and Y
2. R and A
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-158] From the diagram, and your knowledge of the periodic table, deduce which two elements are in the same group?
1. T and W
2. R and A
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-159] From the diagram, and your knowledge of the periodic table, deduce which two elements are most likely to be chemically very similar?
1. R and A
2. Q and R
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-160] From the diagram, and your knowledge of the periodic table, deduce which two elements are most likely to be chemically very similar?
1. R and A
2. Z and Y
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-161] From the diagram, and your knowledge of the periodic table, deduce which two elements are most likely to be chemically very similar?
1. R and A
2. T and W
3. D and Y
4. Z and T
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-162] From the diagram, and your knowledge of the periodic table, deduce which two elements are on the same period?
1. T and W
2. Q and R
3. R and Y
4. Z and Y
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-163] From the diagram, and your knowledge of the periodic table, deduce which two elements are on the same period?
1. T and W
2. Q and R
3. Q and W
4. Z and Y
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-164] From the diagram, and your knowledge of the periodic table, deduce which two elements are on the same period?
1. T and W
2. Q and R
3. M and T
4. Z and Y
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-165] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a metal?
1. T
2. Z
3. M
4. L
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-166] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a metal?
1. T
2. Z
3. M
4. A
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-167] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a metal?
1. T
2. Z
3. M
4. R
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-168] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a non- metal?
1. R
2. G
3. A
4. W
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-169] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a non- metal?
1. R
2. G
3. A
4. Y
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-170] From the diagram, and your knowledge of the periodic table, deduce which element is most likely to be a non- metal?
1. R
2. G
3. A
4. Z
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-171] From the diagram, and your knowledge of the periodic table, deduce which is most likely to a correct reactivity trend?
1. T > W
2. L > G
3. Y > Z
4. R > Q
Part of the periodic table is shown above, but elements are NOT shown with their real symbols. [8e-172] From the diagram, and your knowledge of the periodic table, deduce which is most likely to a correct reactivity trend?
1. T > W
2. L > G
3. Q > R
4. Z > Y
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-29]
1. solid non-metallic elements are dull looking
2. metallic elements are poor conductors of heat
3. non-metallic elements are good conductors of electricity
4. metallic elements have low melting points
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-30]
1. solid non-metallic elements are shiny looking
2. metallic elements are good conductors of heat
3. non-metallic elements are good conductors of electricity
4. metallic elements have low melting points
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-31]
1. solid non-metallic elements are shiny looking
2. metallic elements are poor conductors of heat
3. non-metallic elements are poor conductors of electricity
4. metallic elements have low melting points
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-32]
1. solid non-metallic elements are shiny looking
2. metallic elements are poor conductors of heat
3. non-metallic elements are good conductors of electricity
4. metallic elements have high melting points
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-33]
1. non-metallic have low boiling points
2. metallic elements have a low density
3. solid non-metallic elements are strong
4. metallic elements are not easily bent into shape
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-34]
1. non-metallic have high boiling points
2. metallic elements have a high density
3. solid non-metallic elements are strong
4. metallic elements are not easily bent into shape
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-35]
1. non-metallic have high boiling points
2. metallic elements have a low density
3. solid non-metallic elements are weak or brittle
4. metallic elements are not easily bent into shape
Which of the following statements is generally TRUE about metallic and non-metallic elements of the Periodic Table? [9e-36]
1. non-metallic have high boiling points
2. metallic elements have a low density
3. solid non-metallic elements are strong
4. metallic elements are easily bent into shape
Which of the following elements is a non-metal but in one form quite a good conductor of heat energy and electricity? [9e-37]
1. carbon
2. copper
3. iron
4. sulfur
Which of the following elements is a good conductor used in electrical wiring? [9e-38]
1. carbon
2. copper
3. iron
4. sulfur
Which of the following elements is a strong metal used to make steel for cans? [9e-39]
1. magnesium
2. copper
3. iron
4. gold
Which of the following elements has been used for thousands of years for jewellery because it doesn't tarnish easily? [9e-40]
1. sulfur
2. tin
3. iron
4. gold
Which element is used to 'galvanise' iron and steel to prevent rusting? [9e-41]
1. zinc
2. lead
3. silver
4. aluminium
Which element is very malleable and used in sealing roofs around chimneys or dormer windows? [9e-42]
1. zinc
2. lead
3. silver
4. aluminium
Which element is used for ornaments because it is malleable and does not corrode easily? [9e-43]
1. zinc
2. lead
3. silver
4. aluminium
Which element is used for window frames and other situations exposed to the weather, because it has good anti-corrosion properties? [9e-44]
1. zinc
2. copper
3. silver
4. aluminium
[8e-189] Which of the following statements is NOT usually true about metallic elements?
1. they are sonorous
2. they are malleable
3. they are ductile
4. they are brittle
[8e-190] Which of the following statements is NOT usually true about non-metallic elements?
1. they are not sonorous
2. they are not malleable
3. they are not ductile
4. they are not brittle
[8e-153] Part of the periodic table of elements is shown above. Given the formula of sodium chloride is NaCl (combination of a group 1 and a group 7 element) and the formula of magnesium iodide is MgI₂ (a combination of a group 2 and a group 7 element), which of the following formulae is an incorrect prediction?
1. KI₂
2. MgCl₂
3. NaF
4. CaBr₂
[8e-152] Part of the periodic table of elements is shown above. Given the formula of sodium chloride is NaCl (combination of a group 1 and a group 7 element) and the formula of magnesium iodide is MgI₂ (a combination of a group 2 and a group 7 element), which of the following formulae is an incorrect prediction?
1. KI
2. MgCl
3. NaF
4. CaBr₂
[8e-153] Part of the periodic table of elements is shown above. Given the formula of sodium chloride is NaCl (combination of a group 1 and a group 7 element) and the formula of magnesium iodide is MgI₂ (a combination of a group 2 and a group 7 element), which of the following formulae is an incorrect prediction?
1. KI
2. MgCl₂
3. NaF₂
4. CaBr₂
[8e-154] Part of the periodic table of elements is shown above. Given the formula of sodium chloride is NaCl (combination of a group 1 and a group 7 element) and the formula of magnesium iodide is MgI₂ (a combination of a group 2 and a group 7 element), which of the following formulae is an incorrect prediction?
1. KI
2. MgCl₂
3. NaF
4. CaBr
[8e-155] Part of the periodic table of elements is shown above. Given the formula of magnesium oxide is MgO (combination of a group 2 and a group 6 element) and the formula of potassium oxide is K₂O (a combination of a group 1 and a group 6 element), which of the following formulae is an incorrect prediction?
1. NaO
2. CaO
3. Li₂O
4. SrO
[8e-156] Part of the periodic table of elements is shown above. Given the formula of magnesium oxide is MgO (combination of a group 2 and a group 6 element) and the formula of potassium oxide is K₂O (a combination of a group 1 and a group 6 element), which of the following formulae is an incorrect prediction?
1. Na₂O
2. Ca₂O
3. Li₂O
4. SrO
[8e-157] Part of the periodic table of elements is shown above. Given the formula of magnesium oxide is MgO (combination of a group 2 and a group 6 element) and the formula of potassium oxide is K₂O (a combination of a group 1 and a group 6 element), which of the following formulae is an incorrect prediction?
1. Na₂O
2. CaO
3. LiO
4. SrO
[8e-158] Part of the periodic table of elements is shown above. Given the formula of magnesium oxide is MgO (combination of a group 2 and a group 6 element) and the formula of potassium oxide is K₂O (a combination of a group 1 and a group 6 element), which of the following formulae is an incorrect prediction?
1. Na₂O
2. CaO
3. Li₂O
4. Sr₂O
[8e-159] Which is generally NOT true about elements of the periodic table?
1. metallic elements react with oxygen to form acidic oxides, if soluble in water, they give solutions of pH >7
2. non-metallic elements react with oxygen to form acidic oxides, if soluble in water, they give solutions of pH <7
3. metallic elements form basic oxides that react with acids to form salts
4. non-metallic elements form acidic oxides that react with alkalis to form salts
[8e-160] Which is generally NOT true about elements of the periodic table?
1. metallic elements react with oxygen to form basic oxides, if soluble in water, they give solutions of pH >7
2. non-metallic elements react with oxygen to form basic oxides, if soluble in water, they give solutions of pH <7
3. metallic elements form basic oxides that react with acids to form salts
4. non-metallic elements form acidic oxides that react with alkalis to form salts
[8e-161] Which is generally NOT true about elements of the periodic table?
1. metallic elements react with oxygen to form basic oxides, if soluble in water, they give solutions of pH >7
2. non-metallic elements react with oxygen to form acidic oxides, if soluble in water, they give solutions of pH <7
3. metallic elements form acidic oxides that react with acids to form salts
4. non-metallic elements form acidic oxides that react with alkalis to form salts
[8e-162] Which is generally NOT true about elements of the periodic table?
1. metallic elements react with oxygen to form basic oxides, if soluble in water, they give solutions of pH >7
2. non-metallic elements react with oxygen to form acidic oxides, if soluble in water, they give solutions of pH <7
3. metallic elements form basic oxides that react with acids to form salts
4. non-metallic elements form basic oxides that react with alkalis to form salts
[8e-163]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be acidic?
1. CuO
2. Na₂O
3. CaO
4. SO₂
[8e-164]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be acidic?
1. CuO
2. Na₂O
3. CaO
4. CO₂
[8e-165]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be basic?
1. CuO
2. Na₂O
3. CaO
4. SO₃
[8e-166]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be acidic?
1. CuO
2. Na₂O
3. CaO
4. Cl₂O
[8e-167]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be basic?
1. SO₂
2. CO₂
3. MgO
4. Cl₂O
[8e-168]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be basic?
1. SO₂
2. CO₂
3. CaO
4. Cl₂O
[8e-169]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be basic?
1. SO₂
2. CO₂
3. CuO
4. Cl₂O
[8e-170]
From your knowledge of trends in the periodic table, which of the following oxides would you expect to be basic?
1. SO₂
2. CO₂
3. Na₂O
4. Cl₂O
[8e-171]
From your knowledge of the upper part of the periodic table (abbreviated above), which of the following statements is generally NOT true?
1. From left to right the elements become more metallic
2. From left to right the oxides of the elements become less basic and more acidic
3. From left to right the atomic number increases across a period
4. A vertical column group of elements show a lot of similarities in their chemical properties
[8e-172]
From your knowledge of the upper part of the periodic table (abbreviated above), which of the following statements is generally NOT true?
1. From left to right the elements become less metallic
2. From left to right the oxides of the elements become less acidic and more basic
3. From left to right the atomic number increases across a period
4. A vertical column group of elements show a lot of similarities in their chemical properties
[8e-173]
From your knowledge of the upper part of the periodic table (abbreviated above), which of the following statements is generally NOT true?
1. From left to right the elements become less metallic
2. From left to right the oxides of the elements become less basic and more acidic
3. From left to right the atomic number decreases across a period
4. A vertical column group of elements show a lot of similarities in their chemical properties
[8e-174]
From your knowledge of the upper part of the periodic table (abbreviated above), which of the following statements is generally NOT true?
1. From left to right the elements become less metallic
2. From left to right the oxides of the elements become less basic and more acidic
3. From left to right the atomic number increases across a period
4. A vertical column group of elements show few similarities in their chemical properties
[8e-175] An element is an unreactive colourless gas. From your knowledge of the periodic table (abbreviated above), given the description of the element, predict which group of the periodic table it might belong to?
1. Group 0
2. Group 1
3. Group 2
4. Group 7
[8e-176] An element is a soft silvery solid that rapidly reacts with water. From your knowledge of the periodic table (abbreviated above), given the description of the element, predict which group of the periodic table it might belong to?
1. Group 0
2. Group 1
3. Group 2
4. Group 7
[8e-177] An element is a hard silvery solid, that reacts quite fast with acids. From your knowledge of the periodic table (abbreviated above), given the description of the element, predict which group of the periodic table it might belong to?
1. Group 0
2. Group 1
3. Group 2
4. Group 7
[8e-178] An element is a coloured reactive gas. From your knowledge of the periodic table (abbreviated above), given the description of the element, predict which group of the periodic table it might belong to?
1. Group 0
2. Group 1
3. Group 2
4. Group 7
[8e-179] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Radon is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point S of radon?
1. colourless gas with a melting point S of ~ -70^oC
2. colourless gas with a melting point S of ~ -40^oC
3. coloured gas with a melting point S of ~ -70^oC
4. coloured gas with a melting point S of ~ -40^oC
[8e-180] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Radon is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point T of radon?
1. colourless gas with a boiling point T of ~ -60^oC
2. colourless gas with a boiling point T of ~ -30^oC
3. coloured gas with a boiling point T of ~ -60^oC
4. coloured gas with a boiling point T of ~ -30^oC
[8e-181] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Radon is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate density V of radon?
1. colourless gas with a density U of ~ 0.009 g/cm³
2. colourless gas with a density U of ~ 0.007 g/cm³
3. coloured gas with a density U of ~ 0.009 g/cm³
4. coloured gas with a density U of ~ 0.007 g/cm³
[8e-182] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Radon is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate reactivity W of radon?
1. colourless gas of slow-moderate reactivity
2. colourless gas of high reactivity
3. coloured gas of slow-moderate reactivity
4. coloured gas of high reactivity
[8e-183] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Only a few atoms of Oganesson (Og) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate reactivity Z of oganesson?
1. colourless gas of moderate reactivity
2. colourless gas of high reactivity
3. coloured gas of moderate reactivity
4. coloured gas of high reactivity
[8e-184] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Only a few atoms of Oganesson (Og) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point W of oganesson?
1. colourless gas with a melting point W of ~ -35^oC
2. colourless gas with a melting point W of ~ -15^oC
3. coloured gas with a melting point W of ~ -35^oC
4. coloured gas with a melting point W of ~ -15^oC
[8e-185] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Only a few atoms of Oganesson (Og) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point X of oganesson?
1. colourless gas with a boiling point X of ~ -20^oC
2. colourless gas with a boiling point X of ~ -5^oC
3. coloured gas with a boiling point X of ~ -20^oC
4. coloured gas with a boiling point X of ~ -5^oC
[8e-186] Above is shown known/unknown information about the Group 0 Noble Gas elements of the Periodic Table. Only a few atoms of Oganesson (Og) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate density Y of oganesson?
1. colourless gas with a density Y of ~ 0.014 g/cm³
2. colourless gas with a density Y of ~ 0.028 g/cm³
3. coloured gas with a density Y of ~ 0.014 g/cm³
4. coloured gas with a density Y of ~ 0.028 g/cm³
[8e-187] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. Francium is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point S of francium?
1. hard silvery solid, melting point S ~ 20^oC
2. soft silvery solid, melting point S ~ 20^oC
3. hard silvery solid, melting point S ~ 5^oC
4. soft silvery solid, melting point S ~ 5^oC
[8e-188] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. Francium is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point T of francium?
1. hard silvery solid, boiling point T point ~ 600^oC
2. soft silvery solid, boiling point T point ~ 600^oC
3. hard silvery solid, boiling point T point ~ 650^oC
4. soft silvery solid, boiling point T point ~ 650^oC
[8e-189] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. Francium is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate density U of francium?
1. hard silvery solid, density U ~ 2.3 g/cm³
2. soft silvery solid, density U ~ 2.3 g/cm³
3. hard silvery solid, density U ~ 3.0 g/cm³
4. soft silvery solid, density U ~3.0 g/cm³
[8e-190] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. Francium is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and reactivity V of francium?
1. hard silvery solid, violently reactive
2. soft silvery solid, violently reactive
3. hard silvery solid, very reactive
4. soft silvery solid, very reactive
[8e-191] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. No atoms of element 119 have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point W of element 119?
1. hard silvery solid, melting point W ~ 27^oC
2. hard silvery solid, melting point W ~ 9^oC
3. soft silvery solid, melting point W ~ 27^oC
4. soft silvery solid, melting point W ~ 9^oC
[8e-192] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. No atoms of element 119 have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point X of element 119?
1. hard silvery solid, boiling point X ~ 677^oC
2. hard silvery solid, boiling point X ~ 627^oC
3. soft silvery solid, boiling point X ~ 677^oC
4. soft silvery solid, boiling point X ~ 627^oC
[8e-193] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. No atoms of element 119 have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate density Y of element 119?
1. hard silvery solid, density Y ~ 2.3 g/cm³
2. hard silvery solid, density Y ~ 3.0 g/cm³
3. soft silvery solid, density Y ~ 2.3 g/cm³
4. soft silvery solid, density Y ~ 3.0 g/cm³
[8e-194] Above is shown known/unknown information about the Group 1 Alkali Metal elements of the Periodic Table. No atoms of element 119 have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and reactivity Z of element 119?
1. hard silvery solid, reactivity Z, violent
2. hard silvery solid, reactivity Z, violently explosive
3. soft silvery solid, reactivity Z, violently explosive
4. soft silvery solid, reactivity Z, very fast
[8e-195] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Astatine (At) is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical states S of astatine?
1. dark black liquid and vapour
2. black solid and purple vapour
3. brown solid and orange vapour
4. almost black solid, very dark vapour
[8e-196] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Astatine (At) is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point T of astatine?
1. black liquid, melting point T ~ >220^oC
2. black liquid, melting point T ~ 400^oC
3. almost black solid, melting point T ~ 400^oC
4. almost black solid, melting point T ~ >220^oC
[8e-197] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Astatine (At) is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point U of astatine?
1. black liquid, boiling point U ~ 340^oC
2. black liquid, boiling point U ~ 500^oC
3. almost black solid, boiling point U ~ 500^oC
4. almost black solid, boiling point U ~ 340^oC
[8e-198] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Astatine (At) is very radioactive and difficult to study. From this data, and your own knowledge, what might you reasonably predict about the physical state and reactivity V of astatine?
1. black liquid, unreactive
2. purple liquid, low reactivity
3. almost black solid, unreactive
4. almost black solid, very slow reaction
[8e-199] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Only a few atoms of Tennessine (Ts) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical states W of tennessine?
1. black liquid, purple vapour
2. purple liquid and dark brown vapour
3. dark grey solid and purple vapour
4. almost black solid, very dark vapour
[8e-200] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Only a few atoms of Tennessine (Ts) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate melting point X of tennessine?
1. almost black solid, melting point X ~ 600^oC
2. grey solid, melting point X ~ 600^oC
3. grey solid, melting point X >400^oC
4. almost black solid, melting point X >400^oC
[8e-201] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Only a few atoms of Tennessine (Ts) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and approximate boiling point Y of tennessine?
1. almost black solid, boiling point Y ~ 760^oC
2. grey solid, boiling point Y ~ 760^oC
3. grey solid, boiling point Y >540^oC
4. almost black solid, boiling point Y >540^oC
[8e-202] Above is shown known/unknown information about the Group 7 Halogen elements of the Periodic Table. Only a few atoms of Tennessine (Ts) have been synthesised in a nuclear reaction, so it is difficult to know what its properties are. From the above data, and your own knowledge, what might you reasonably predict about the physical state and reactivity Z of tennessine?
1. almost black solid, unreactive
2. grey solid, unreactive
3. grey solid, very very slow
4. almost black solid, very very slow
[8e-203] Elements of the periodic table exist up to atomic number 118. Suppose you could synthesise enough of element 119 in a nuclear reaction, enough to examine its chemistry. Which group of characteristic chemistry of the periodic table might it belong to?
1. group 0
2. group 1
3. group 2
4. group 7
[8e-204] Elements of the periodic table exist up to atomic number 118. Suppose you could synthesise enough of element 120 in a nuclear reaction, enough to examine its chemistry. Which group of characteristic chemistry of the periodic table might it belong to?
1. group 0
2. group 1
3. group 2
4. group 7
[8e-205] Elements of the periodic table exist up to atomic number 118. Suppose you could synthesise enough of element 119 in a nuclear reaction, enough to examine its chemistry. If it turned out to be a soft silvery highly reactive metal, which group of the periodic table might it belong to?
1. group 0
2. group 1
3. group 2
4. group 7
[8ee-206] Elements of the periodic table exist up to atomic number 118. Suppose you could synthesise enough of element 120 in a nuclear reaction, enough to examine its chemistry. If it turned out to be a hard silvery reactive metal, which group of the periodic table might it belong to?
1. group 0
2. group 1
3. group 2
4. group 7
The chemical symbol for the element carbon?
The chemical symbol for the element oxygen?
The chemical symbol for the element nitrogen?
The chemical symbol for the element sodium?
Chemical symbol for the element potassium?
The chemical symbol for the element lithium?
Chemical symbol for the element phosphorus?
Chemical symbol for the element hydrogen?
The chemical symbol for the element silicon?
The chemical symbol for the element helium?
The chemical symbol for the element neon?
The chemical symbol for the element chlorine?
The chemical symbol for the element bromine?
The chemical symbol for the element iodine?
Chemical symbol for the element aluminium?
The chemical symbol for the element zinc?
The chemical symbol for the element magnesium?
The chemical symbol for the element iron?
The chemical symbol for the element calcium?
The chemical symbol for the element copper?
The chemical symbol for the element sulphur (sulfur)?
Name of the element whose chemical symbol is C?
Name of element whose chemical symbol is O?
Name of element whose chemical symbol is N?
Name of element whose chemical symbol is Na?
Name of element whose chemical symbol is K?
Name of element whose chemical symbol is Li?
Name of element whose chemical symbol is P?
Name of element whose chemical symbol is H?
Name of element whose chemical symbol is Si?
Name of the element whose chemical symbol is He?
Name of element whose chemical symbol is Ne?
Name of the element whose chemical symbol is Cl?
Name of the element whose chemical symbol is Br?
Name of the element whose chemical symbol is I?
Name of the element whose chemical symbol is Al?
Name of element whose chemical symbol is Zn?
Name of the element whose chemical symbol is Mg?
Name of element whose chemical symbol is Fe?
Name of element whose chemical symbol is Ca?
Name of the element whose chemical symbol is Cu?
Name the element whose chemical symbol is S?
Name the element whose chemical symbol is Ba?
Name the element whose chemical symbol is Pb?
Name the element whose chemical symbol is Ag?
Name the element whose chemical symbol is F?
What is the chemical symbol for the element barium?
What is the chemical symbol for the element lead?
What is the chemical symbol for the element silver?
What is the chemical symbol for the element fluorine?