A standard model of the atom describes a central nucleus containing protons and neutrons. Which row in the table correctly describes the electric charges of a proton and a neutron?
| Charge on proton | Charge on neutron | |
|---|---|---|
| A | positive | neutral |
| B | positive | negative |
| C | negative | neutral |
| D | negative | positive |
Row A
Row B
Row C
Row D
114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.