| Question | Answer |
| halogens | 1
|
A and B | 2
| D | 3
| atomic number | 4
| noble gases | 5
| mass number-atomic number | 6
| C | 7
| B | 8
| both members of the alkali metal family | 9
| B | 10
| Aluminum is not an alkali metal | 11
| alkaline earth metals | 12
| Ca-alkaline earth metal, Fe-transition metal, Br-halogen | 13
| A | 14
| B | 15
| B | 16
| B | 17
| alkali metal | 18
| B | 19
| C | 20
| B | 21
| 13 protons, 14 neutrons, 13 electrons | 22
| flourine | 23
| D | 24
| B | 25
| 24 protons, 28 neutrons, 24 electrons | 26
| C | 27
| oxygen | 28
| Mg with two valence electrons | 29
| the outer valence shell is incomplete, additionally this is the Bohr diagram for silicon | 30
| transition metals | 31
| C | 32
| magnesium has two valence electrons, not three | 33
| Br with 7 valence electrons | 34
| B | 35
| sulfur | 36
| nonmetal, this is the Bohr diagram for oxygen | 37
| Si with 4 valence electrons | 38
| B | 39
| C | 40
| 1s2 2s2 2p6 3s1 or [Ne]3s1 | 41
| rubidium has one valence electron, not two | 42
| B | 43
| A | 44
| 1s2 2s2 2p6 3s2 3p4 or [Ne]3s2 3p4 | 45 |
