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प्रश्न
Compare the properties of electrons, protons and neutrons.
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उत्तर
| 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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संबंधित प्रश्न
Which subatomic particle was discovered by : Chadwick ?
Fill in the blank of the following statement :
The subatomic particle not present in a hydrogen atom is ________
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
Explain in brief the experimental proof which led to the discovery of –
Neutrons
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
The hydrogen atom does not have ______.
α, β, γ rays are during the ratio active decay ______ of an atom.
Beryllium + α – rays → Carbon + ______.
The stability of the nucleus is determined by the Neutron – Proton ratio.
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.
