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Question
Compare the properties of electrons, protons and neutrons.
Distinguish Between
Solution
| Property | Electron | Proton | Neutron | |
| i. | Symbol | e- or `""_1^0e` | p+ or `""_1^1p` | n or `""_0^1n` |
| ii. | Charge | -1 unit or - 1.6 × 10-19 C | +1 unit or + 1.6 × 10-19 C | Zero |
| iii. | Mass | 9.1 × 10-31 kg | 1.67 × 10-27 kg | 1.675 × 10-27 kg |
| iv. | Location | present around the nucleus | present in nucleus | present in nucleus |
| v. | Discovery | J.J. Thomson | E. Goldstein | Chadwick |
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