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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 |