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Subatomic-particles
| Question | Answer |
|---|---|
| Charge of proton | 1+ |
| Charge of neutron | 0 |
| Charge of electron | 1- |
| Atomic mass unit | amu |
| Mass of a proton | 1.0073 |
| Mass of a neutron | 1.0087 |
| Mass of electron | 5.486 X 10 -4 |