| Question | Answer |
| 1 Neutral sub-atomic particle | neutron
|
2 Charge on a proton | +1
| 3 Mass of a proton | 1
| 4 Mass of a neuron | 1
| 5 Maximum number of electrons in the second shell | 8
| 6 What does the nucleus contain? | protons and neutrons
| 7 What is the atomic number of an atom? | number of protons
| 8 what is the mass number? | Number of protons and neutrons
| 9 An element has the electronic structure 2,8,4. Which group is it in? | 4
| 10 Two elements have these electronic structures: 2,1 and 2,8,1. What can you say about the elements? | They are in the same group
| 11 What do the elements in a group have the same number of? | electrons in their outer shell
| 12 State one source of light energy | sun, candle
| 13 State one source of heat energy | sun, fire
| 14 State one source of sound energy |
| 15 State one source of chemical energy |
| 16 State one source of kinetic energy |
| 17State one source of elastic energy | |
