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प्रश्न
How does an electron differ from a neutron?
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उत्तर
| Electron | Neutron |
| • Relative mass is 1/1840 u | • Relative mass is 1u |
| • Absolute mass is 9 × 10–28 g | • Absolute mass is 1.602 × 10–24 g |
| • Charge is -1 | • It is neutral |
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