Random Quiz on aspects of Salters unit EL ELEMENTS of LIFE

How many moles of atoms in 16g of copper? [elmc-1]
1. 0.25
2. 0.5
3. 0.55
4. 4
How many moles of atoms in 1.6g of sulphur? [elmc-2]
1. 0.02
2. 0.05
3. 0.10
4. 2
What is the likely formula of radium chloride? [elmc-3]
1. RaCl
2. RaCl₂
3. RaCl₃
4. RaCl₄
What is the likely formula of francium chloride? [elmc-4]
1. FrCl
2. FrCl₂
3. FrCl₃
4. FrCl₄
What is the likely formula of the chloride formed by combining gallium (Ga) and chlorine? [elmc-5]
1. GaCl
2. GaCl₂
3. GaCl₃
4. GaCl₄
What is the likely formula of the chloride formed by combining silicon (Si) and chlorine? [elmc-6]
1. SiCl
2. SiCl₂
3. SiCl₃
4. SiCl₄
What is the expected formula of caesium carbonate? [elmc-7]
1. Cs₂CO₃
2. CsCO₃
3. Cs₂(CO₃)₃
4. Cs(CO₃)₂
What is the expected formula of strontium carbonate? [elmc-8]
1. Sr₂CO₃
2. SrCO₃
3. Sr₂(CO₃)₃
4. Sr(CO₃)₂
If M represents lithium, what would be the expected formula of lithium oxide? [elmc-9]
1. M₂O
2. MO
3. M₂O₃
4. MO₂
If M represents berllium, what would be the expected formula of beryllium oxide? [elmc-10]
1. M₂O
2. MO
3. M₂O₃
4. MO₂
If M represents gallium (Ga), what would be the most likely formula of gallium oxide? [elmc-11]
1. M₂O
2. MO
3. M₂O₃
4. MO₂
If M represents silicon, what would be the most likely formula of silicon oxide? [elmc-11]
1. M₂O
2. MO
3. M₂O₃
4. MO₂
Which of these is a correct formula? [elmc-13]
1. Cs(OH)₂
2. BeOH
3. RbOH
4. SrOH
Which of these is a correct formula? [elmc-14]
1. Cs(OH)₂
2. BeOH
3. Rb(OH)₂
4. Sr(OH)₂
If X represents phosphorus (P), which of these is the correct empirical formula for the oxide of phosphorus when it combines with the maximum amount of oxygen ie the formula of its highest oxide? [elmc-15]
1. X₂O₅
2. XO₃
3. X₂O₇
4. XO₄
If X represents tellurium (Te, atomic number 52), which of these is the correct formula for the oxide of tellurium when it combines with the maximum amount of oxygen ie the formula of its highest oxide? [elmc-16]
1. X₂O₅
2. XO₃
3. X₂O₇
4. XO₄
If X represents iodine (I), which of these is the correct formula for the oxide of iodine when it combines with the maximum amount of oxygen ie the formula of its highest oxide? [elmc-17]
1. X₂O₅
2. XO₃
3. X₂O₇
4. XO₄
Which of these is the correct formula for the oxide of xenon (Xe, atomic number 54) when it combines with the maximum amount of oxygen ie the formula of its highest oxide? [elmc-18]
1. Xe₂O₅
2. XeO₃
3. Xe₂O₇
4. XeO₄
3.55g of chlorine combines with 0.8 g of oxygen. What is the empirical formula of this chlorine oxide? [elmc-19]
1. Cl₂O
2. ClO
3. ClO₂
4. Cl₂O₇
1.95g of potassium was heated in excess oxygen gas. 3.55g of a potassium oxide was formed. What is the empirical formula of the potassium oxide formed? [elmc-20]
1. K₂O
2. KO₂
3. KO
4. K₂O₃
3.75g of arsenic (As, atomic number 33) combines with 1.2g of oxygen. What is the empirical formula of the arsenic oxide formed? [elmc-21]
1. As₂O
2. AsO
3. As₂O₃
4. As₂O₅
3.36g of iron was heated in steam to form an iron oxide and hydrogen. If 4.64g of oxide was formed what was its empirical formula? [elmc-22]
1. FeO
2. Fe₂O₃
3. FeO₂
4. Fe₃O₄
Which of the following statements is true concerning the Group 2 Alkaline Earth Metals as you descend the group (Be down to Ra)? [elmc-23]
1. the thermal stability of the carbonate increases
2. the solubility of the hydroxide decreases
3. the solubility of the carbonate increases
4. the reactivity of the metal decreases
Which of the following statements is true concerning the Group 2 Alkaline Earth Metals as you descend the group (Be down to Ra)? [elmc-24]
1. the thermal stability of the carbonate decreases
2. the solubility of the hydroxide increases
3. the solubility of the carbonate increases
4. the reactivity of the metal decreases
Which of the following statements is true concerning the Group 2 Alkaline Earth Metals as you descend the group (Be down to Ra)? [elmc-25]
1. the thermal stability of the carbonate decreases
2. the solubility of the hydroxide decreases
3. the solubility of the carbonate decreases
4. the reactivity of the metal decreases
Which of the following statements is true concerning the Group 2 Alkaline Earth Metals as you descend the group (Be down to Ra)? [elmc-26]
1. the thermal stability of the carbonate decreases
2. the solubility of the hydroxide decreases
3. the solubility of the carbonate increases
4. the reactivity of the metal increases
Which of the following statements is true concerning the Group 2 Alkaline Earth Metals as you descend the group (Be down to Ra)? [elmc-27]
1. the thermal stability of the carbonate decreases
2. the solubility of the hydroxide decreases
3. the solubility of the carbonate increases
4. the 1st ionisation enthalpy decreases
Which of the electronic transitions represents the 1st line in the 1st series of the absorption spectrum of hydrogen? [elmc-28]
1. electronic transition 1
2. electronic transition 2
3. electronic transition 3
4. electronic transition 4
Which of the electronic transitions represents the 1st line in the 2nd series of the emission spectrum of hydrogen? [elmc-29]
1. electronic transition 1
2. electronic transition 2
3. electronic transition 3
4. electronic transition 4
Which of the electronic transitions represents the 3rd line in the 1st series of the emission spectrum of hydrogen? [elmc-30]
1. electronic transition 1
2. electronic transition 2
3. electronic transition 3
4. electronic transition 4
Which of the electronic transitions represents the 2nd line in the 2nd series of the absorption spectrum of hydrogen? [elmc-31]
1. electronic transition 1
2. electronic transition 2
3. electronic transition 3
4. electronic transition 4
Which of the following electronic transitions corresponds to the 4th line of the 3rd series in the emission spectrum of hydrogen? [elmc-32]
1. transition 1
2. transition 2
3. transition 3
4. transition 4
Which of the following electronic transitions corresponds to the 4th line of the 2nd series in the absorption spectrum of hydrogen? [elmc-33]
1. transition 1
2. transition 2
3. transition 3
4. transition 4
Which of the following electronic transitions corresponds to the 6th line of the 1st series in the absorption spectrum of hydrogen? [elmc-34]
1. transition 1
2. transition 2
3. transition 3
4. transition 4
Which of the following electronic transitions corresponds to the 4th line of the 1st series in the emission spectrum of hydrogen? [elmc-35]
1. transition 1
2. transition 2
3. transition 3
4. transition 4
If M represents a Group 2 metal, which equation is correct? [elmc-36]
1. MO_(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l)
2. M₂O_(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l)
3. MO_2(s) + 2H₂SO_4(aq) ==> M(SO₄)_2(aq) + 2H₂O_(l)
4. M₂O_(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l)
If M represents a Group 1 metal, which equation is correct? [elmc-37]
1. MO_(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l)
2. M₂O_(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l)
3. MO_2(s) + 2H₂SO_4(aq) ==> M(SO₄)_2(aq) + 2H₂O_(l)
4. MO_(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l)
If M represents a Group 2 metal, which equation is correct? [elmc-38]
1. MO_2(s) + 4HCl_(aq) ==> MCl_4(aq) + 2H₂O_(l)
2. M₂O_(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l)
3. MO_(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l)
4. M₂O_(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l)
If M represents a Group 1 metal, which equation is correct? [elmc-39]
1. MO_(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l)
2. MO_2(s) + 4HCl_(aq) ==> MCl_4(aq) + 2H₂O_(l)
3. MO_(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l)
4. M₂O_(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l)
If M represents a Group 2 metal, which equation is correct? [elmc-40]
1. MCO_3(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l) + CO_2(g)
2. 2MCO_3(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l) + 2CO_2(g)
3. M₂CO_3(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l) + CO_2(g)
4. M₂CO_3(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l) + CO_2(g)
If M represents a Group 2 metal, which equation is correct? [elmc-41]
1. 2MCO_3(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l) + 2CO_2(g)
2. MCO_3(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l) + CO_2(g)
3. M₂CO_3(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l) + CO_2(g)
4. M₂CO_3(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l) + CO_2(g)
If M represents a Group 1 metal, which equation is correct? [elmc-42]
1. MCO_3(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l) + CO_2(g)
2. MCO_3(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l) + CO_2(g)
3. M₂CO_3(s) + 2HCl_(aq) ==> 2MCl_(aq) + H₂O_(l) + CO_2(g)
4. M₂CO_3(s) + 2H₂SO_4(aq) ==> 2MSO_4(aq) + H₂O_(l) + CO_2(g)
If M represents a Group 1 metal, which equation is correct? [elmc-43]
1. MCO_3(s) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l) + CO_2(g)
2. MCO_3(s) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l) + CO_2(g)
3. M₂CO_3(s) + 4HCl_(aq) ==> 2MCl_2(aq) + 2H₂O_(l) + CO_2(g)
4. M₂CO_3(s) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l) + CO_2(g)
If M represents a Group 2 metal, which equation is correct? [elmc-44]
1. M(OH)_2(aq) + 2HCl_(aq) ==> MCl_2(aq) + 2H₂O_(l)
2. M(OH)_2(aq) + H₂SO_4(aq) ==> MSO_4(aq) + H₂O_(l)
3. MOH_(aq) + HCl_(aq) ==> MCl_(aq) + H₂O_(l)
4. 2MOH_(aq) + H₂SO_4(aq) ==> M₂SO_4(aq) + 2H₂O_(l)
If M represents a Group 2 metal, which equation is correct? [elmc-45]
1. M(OH)_2(aq) + 2HCl_(aq) ==> MCl_2(aq) + H₂O_(l)
2. M(OH)_2(aq) + H₂SO_4(aq) ==> MSO_4(aq) + 2H₂O_(l)
3. MOH_(aq) + HCl_(aq) ==> MCl_(aq) + H₂O_(l)
4. 2MOH_(aq) + H₂SO_4(aq) ==> M₂SO_4(aq) + 2H₂O_(l)
If M represents a Group 1 metal, which equation is correct? [elmc-46]
1. M(OH)_2(aq) + 2HCl_(aq) ==> MCl_2(aq) + 2H₂O_(l)
2. M(OH)_2(aq) + H₂SO_4(aq) ==> MSO_4(aq) + 2H₂O_(l)
3. MOH_(aq) + HCl_(aq) ==> MCl_(aq) + H₂O_(l)
4. 2MOH_(aq) + H₂SO_4(aq) ==> M₂SO_4(aq) + H₂O_(l)
If M represents a Group 1 metal, which equation is correct? [elmc-47]
1. M(OH)_2(aq) + 2HCl_(aq) ==> MCl_2(aq) + 2H₂O_(l)
2. M(OH)_2(aq) + H₂SO_4(aq) ==> MSO_4(aq) + 2H₂O_(l)
3. MOH_(aq) + 2HCl_(aq) ==> MCl_2(aq) + 2H₂O_(l)
4. 2MOH_(aq) + H₂SO_4(aq) ==> M₂SO_4(aq) + 2H₂O_(l)
If M represents a Group 1 metal, which equation is correct? [elmc-48]
1. 2M_(s) + 2H₂O_(l) ==> 2MOH_(aq) + H_2(g)
2. M_(s) + 2H₂O_(l) ==> M(OH)_2(aq) + H_2(g)
3. 2MCO_3(s) ==> M₂O_(s) + 2CO_2(g)
4. M₂CO_3(s) ==> 2MO_(s) + CO_2(g)
If M represents a Group 2 metal, which equation is correct? [elmc-49]
1. 2M_(s) + 2H₂O_(l) ==> 2MOH_(aq) + H_2(g)
2. M_(s) + 2H₂O_(l) ==> M(OH)_2(aq) + H_2(g)
3. M₂CO_3(s) ==> 2MO_(s) + CO_2(g)
4. 2MCO_3(s) ==> M₂O_(s) + 2CO_2(g)
If M represents a Group 1 metal, which equation is correct? [elmc-50]
1. M_(s) + 2H₂O_(l) ==> M(OH)_2(aq) + H_2(g)
2. M_(s) + 2H₂O_(l) ==> M(OH)_2(aq) + H_2(g)
3. M₂CO_3(s) ==> M₂O_(s) + CO_2(g)
4. MCO_3(s) ==> MO_(s) + CO_2(g)
If M represents a Group 2 metal, which equation is correct? [elmc-51]
1. 2M_(s) + 2H₂O_(l) ==> 2MOH_(aq) + H_2(g)
2. M_(s) + H₂O_(l) ==> M(OH)_2(aq) + H_2(g)
3. M₂CO_3(s) ==> M₂O_(s) + CO_2(g)
4. MCO_3(s) ==> MO_(s) + CO_2(g)
The nucleus of an atom consists of [elmc-52]
1. protons and neutrons
2. neutrons and electrons
3. protons and electrons
4. protons only
The Atomic Number of an element is [elmc-53]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
The Mass number of an element is [elmc-54]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
The properties of four particles are described below.
Which description corresponds to a neutron? [elmc-55]
1. mass = ¹/₁₈₅₀, electric charge = -1
2. mass = 1, electric charge = 0
3. mass = 1, electric charge = +1
4. mass = 4, electric charge = +2
The properties of four particles are described below.
Which description corresponds to a proton? [elmc-56]
1. mass = ¹/₁₈₅₀, electric charge = -1
2. mass = 1, electric charge = 0
3. mass = 1, electric charge = +1
4. mass = 4, electric charge = +2
Which of the two particles W, X, Y and Z represent different isotopes of the same element? [elmc-57]

Particle W: 13 protons, 14 neutrons, 13 electrons
Particle X: 13 protons, 14 neutrons, 14 electrons
Particle Y: 14 protons, 13 neutrons, 14 electrons
Particle Z: 14 protons, 14 neutrons, 14 electrons
1. W and X
2. X and Y
3. X and Z
4. Y and Z
Which of the following gives the correct numbers of protons, neutrons and electrons in this atom? [elmc-58]
1. 95 protons, 146 neutrons, 95 electrons
2. 95 protons, 241 neutrons, 96 electrons
3. 241 protons, 146 neutrons, 241 electrons
4. 95 protons, 95 neutrons, 95 electrons
Which of the following could be the symbol for a proton particle? [elmc-59]
1. symbol Q
2. symbol W
3. symbol Y
4. symbol Z
Which of the following gives the correct numbers of protons, neutrons and electrons in this atom? [elmc-60]
1. 5 protons, 6 neutrons, 5 electrons
2. 5 protons, 5 neutrons, 6 electrons
3. 6 protons, 5 neutrons, 5 electrons
4. 6 protons, 5 neutrons, 6 electrons
The relative isotopic mass is the [elmc-61]
1. sum of the protons and neutrons in the nucleus
2. sum of the protons in the nucleus
3. accurate mass of a particular atom based on the carbon-12 scale
4. average mass of all the isotopes present in an element based on the carbon-12 scale
The relative atomic mass is the [elmc-62]
1. sum of the protons and neutrons in the nucleus
2. sum of the protons in the nucleus
3. accurate mass of a particular atom based on the carbon-12 scale
4. average mass of all the isotopes present in an element based on the carbon-12 scale
The atomic number of an element can is equal to [elmc-63]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of electrons surrounding the nucleus
4. the number of electrons in the outer shell
The Group number of an element can tell you [elmc-64]
1. the number of protons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of electrons surrounding the nucleus
4. the number of electrons in the outer shell
The diagram shows the basic components and design of a mass spectrometer.

Which component is the sample inlet? [elmc-65]
1. component K
2. component Q
3. component P
4. component R
5. component N
The diagram shows the basic components and design of a mass spectrometer.

Which component is the ionisation chamber? [elmc-66]
1. component K
2. component Q
3. component P
4. component R
5. component N
The diagram shows the basic components and design of a mass spectrometer.

Which component is the accelerating electric field? [elmc-67]
1. component K
2. component Q
3. component P
4. component R
5. component N
The diagram shows the basic components and design of a mass spectrometer.

Which component is the magnetic field? [elmc-68]
1. component K
2. component Q
3. component P
4. component R
5. component N
The diagram shows the basic components and design of a mass spectrometer.

Which component is the ion detector? [elmc-69]
1. component K
2. component Q
3. component P
4. component R
5. component N
The properties of four particles are described below.
Which description corresponds to an electron? [elmc-70]
1. mass = ¹/₁₈₅₀, electric charge = -1
2. mass = 1, electric charge = 0
3. mass = 1, electric charge = +1
4. mass = 4, electric charge = +2
The properties of four particles are described below.
Which description corresponds to a beta particle? [elmc-71]
1. mass = 1, electric charge = 0
2. mass = ¹/₁₈₅₀, electric charge = -1
3. mass = 1, electric charge = +1
4. mass = 4, electric charge = +2
The properties of four particles are described below.
Which description corresponds to an alpha particle? [elmc-72]
1. mass = 1, electric charge = 0
2. mass = ¹/₁₈₅₀, electric charge = -1
3. mass = 4, electric charge = +2
4. mass = 1, electric charge = +1
What, to the nearest whole degree number, is the Cl-Be-Cl bond angle in vapourised beryllium chloride? [elsa-1]
What is the name of the nuclear process in which hydrogen is converted into helium? [elsa-2]
What, to the nearest whole degree number, is the H-C-H bond angle in methane? [elsa-3]
What, to the nearest whole degree number, is the approximate H-N-H bond angle in ammonia? [elsa-4]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-5]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-6]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-7]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-8]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-9]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-10]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-11]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-12]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-13]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-14]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-15]
The dot and cross electronic diagram is shown for a molecule. What shape will it be? [elsa-16]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-17]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-18]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-19]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-20]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-21]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-22]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-23]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-24]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-25]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-26]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-27]
The dot and cross electronic diagram is shown for a molecule. What bond angle will the molecule have? [elsa-28]

Random Quiz on aspects of Salters unit EL ELEMENTS of LIFE

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