Which electron arrangement corresponds to the most reactive metal? [as-6]
electron arrangement W
electron arrangement X
electron arrangement Y
electron arrangement Z
Which electron arrangement corresponds to the first element on period 2 of the Periodic Table? [as-8]
electron arrangement W
electron arrangement X
electron arrangement Y
electron arrangement Z
Which electron arrangement corresponds to the most reactive non-metallic element of the Periodic Table? [as-9]
electron arrangement W
electron arrangement X
electron arrangement Y
electron arrangement Z
Which electron arrangement corresponds to a metal in Group 3 of the Periodic Table? [as-10]
electron arrangement W
electron arrangement X
electron arrangement Y
electron arrangement Z
Which electron arrangements correspond to two elements in the same Group of the Periodic Table? [as-11]
electron arrangement W and X
electron arrangemens X and Z
electron arrangement Y and Z
electron arrangement W and Z
Which electron arrangements correspond to two elements on the same period of the Periodic Table? [as-13]
electron arrangement W and X
electron arrangemens X and Z
electron arrangement Y and Z
electron arrangement W and Z
Which of the elements listed has 1 outer electron? [as-19]
element Q
element R
element Z
element G
Which of the elements listed is a Halogen? [as-20]
element Q
element R
element Z
element G
Which of the elements listed is an Alkali Metal? [as-21]
element Q
element R
element Z
element G
Which of the elements listed would be chemically the most similar? [as-22]
elements Q and R
elements R and A
elements M and X
elements G and M
Which of the elements listed are in the same period? [as-23]
elements Q and R
elements R and A
elements M and X
elements G and M
Which of the elements listed are both Halogen non-metals with 7 outer electrons? [as-25]
elements Z and Y
elements Q and R
elements G and E
elements T and W
Which of the elements listed are both in Group 3? [as-26]
elements Z and Y
elements Q and E
elements G and E
elements D and Y
Which of the elements listed are both Noble Gases? [as-27]
elements Z and T
elements Q and R
elements G and E
elements T and W
The nucleus of an atom consists of? [as-28]
protons and neutrons
neutrons and electrons
protons and electrons
protons only
The Atomic Number of an element is? [as-29]
the number of neutrons in the nucleus
the sum of the protons and neutrons in the nucleus
the number of protons in the nucleus
the number of electrons in the outer shell
The Mass Number of an element is? [as-30]
the number of neutrons in the nucleus
the sum of the protons and neutrons in the nucleus
the number of protons in the nucleus
the number of electrons in the outer shell
Which description corresponds to a neutron? [as-31]
mass = 1/1850, electric charge = -1
mass = 1, electric charge = 0
mass = 1, electric charge = +1
mass = 4, electric charge = +2
Which description corresponds to a proton? [as-32]
mass = 1/1850, electric charge = -1
mass = 1, electric charge = 0
mass = 1, electric charge = +1
mass = 4, electric charge = +2
Which description corresponds to a electron? [as-36]
mass = 1/1850, electric charge = -1
mass = 1, electric charge = 0
mass = 1, electric charge = +1
mass = 4, electric charge = +2
Which is an electron arrangement of an element in Group 5 of the Periodic Table? [as-37]
2.5
2.7
2.8.8
2.8.8.1
Which is an electron arrangement of a Halogen? [as-38]
2.5
2.7
2.8.8
2.8.8.1
Which is the electron arrangement of a Noble Gas? [as-39]
2.5
2.7
2.8.8
2.8.8.1
Which is the electron arrangement of an Alkali Metal? [as-40]
2.5
2.7
2.8.8
2.8.8.1
Which is an electron arrangement of a Noble Gas? [as-41]
2
2.3
2.8.5
2.8.8.2
Which is an electron arrangement of a Period 1 element? [as-42]
2
2.3
2.8.7
2.8.8.1
Which is an electron arrangement of a Period 2 element? [as-43]
2
2.3
2.8.6
2.8.8.2
Which is an electron arrangement of a Group 3 element? [as-44]
2
2.3
2.8.5
2.8.8.2
Which is an electron arrangement of a Group 5 element? [as-45]
2
2.3
2.8.5
2.8.8.2
Which is an electron arrangement of a Period 3 element? [as-46]
2.1
2.3
2.8.5
2.8.8.2
Which is an electron arrangement of a Group 2 element? [as-47]
2
2.3
2.8.6
2.8.8.2
Which is an electron arrangement of a Period 4 element? [as-48]
2
2.4
2.2
2.8.8.2
How many protons does this sodium atom have? [as-1]
11
12
23
44
How many neutrons does this sodium atom have? [as-2]
11
12
23
44
How many neutrons plus protons does this atom have in total? [as-3]
11
12
23
44
How many electrons does this atom have in total? [as-4]
11
12
23
44
Which electron arrangement most likely corresponds to a non-metallic element? [as-7]
electron arrangement W
electron arrangement X
electron arrangement Y
electron arrangement Z
Which electron arrangements corresponds to two very reactive metallic elements of the Periodic Table? [as-12]
electron arrangements W and X
electron arrangements X and Z
electron arrangements Y and Z
electron arrangements W and Z
Which of the following have/has no neutrons? [as-14]
V only
V and Y
W and Y
Y and Z
Which of the following have/has one neutron? [as-15]
V only
W and Y
X and Y
Y and Z
Which of the following have/has two neutrons? [as-16]
V only
W and Y
X and Z
W and X
Which of the following have/has one proton? [as-17]
V only
W and Y
Y and Z
V, W and X
Which of the following have/has two protons? [as-18]
V only
X and Z
Y and Z
V, W and X
Which elements are both likely to be metals? [as-24]
elements Z and Y
elements Q and R
elements G and E
elements T and W
Which of the two particles W, X, Y and Z represent different isotopes of the same element? [as-33] ... Particle W: 12 protons, 14 neutrons, 12 electrons ... Particle X: 13 protons, 14 neutrons, 14 electrons ... Particle Y: 14 protons, 13 neutrons, 14 electrons ... Particle Z: 14 protons, 14 neutrons, 12 electrons
W and X
X and Y
X and Z
Y and Z
The symbol for an isotope of sodium is . Which gives the correct numbers of protons, neutrons and electrons in this atom? [as-34]
11 protons, 13 neutrons, 11 electrons
13 protons, 11 neutrons, 11 electrons
24 protons, 12 neutrons, 13 electrons
24 protons, 13 neutrons, 24 electrons
Which of the following could be the symbol for a proton particle? [as-35]
symbol Q
symbol W
symbol Y
symbol Z
The symbol of an isotope of cobalt is . Which gives the correct numbers of protons, neutrons and electrons in this atom? [as-49]
27 protons, 33 neutrons, 27 electrons
33 protons, 27 neutrons, 27 electrons
60 protons, 33 neutrons, 60 electrons
27 protons, 33 neutrons, 33 electrons
The symbol of an isotope of iron is . Which gives the correct numbers of protons, neutrons and electrons in this atom? [as-50]
31 protons, 26 neutrons, 31 electrons
26 protons, 31 neutrons, 26 electrons
26 protons, 26 neutrons, 31 electrons
31 protons, 31 neutrons, 26 electrons
The symbol for an atom of strontium is . What is the atomic number of the atom? [as-51]
52
128
38
90
The symbol for an atom of strontium is . What is the mass number of the atom? [as-52]
52
128
38
90
The symbol for an atom of strontium is . What is the proton number of the atom? [as-53]
38
90
52
128
The symbol for an atom of strontium is . What is the neutron number of the atom? [as-54]