An atom contains protons, neutrons and electrons.
The Table gives some information about these particles.
Table
| Particle | Position in the atom | Relative charge |
|---|---|---|
| proton | in the nucleus | |
| neutron | 0 | |
| electron | -1 |
Complete the Table.
Give the particle that has the smallest mass.
An atom has 6 protons.
Explain why this atom has no overall charge.
94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.