Type your answer on the lines below, or write it out on paper.
The table gives information about the three sub-atomic particles found in an atom.
| Particle | Relative mass | Relative charge |
|---|---|---|
| Proton | 1 | (i) |
| Neutron | (ii) | 0 |
| Electron | (iii) | −1 |
Complete the table by giving the values of (i), (ii) and (iii).