Advertisements
Advertisements
प्रश्न
Compare the properties of electrons, protons and neutrons.
Advertisements
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 |
संबंधित प्रश्न
Name the three sub-atomic particles of an atom.
Fill in the blank of the following statement :
The subatomic particle not present in a hydrogen atom is ________
Sulphur has an atomic number of 16 and a mass number of 32. State the number of protons and neutrons present in the nucleus of sulphur.
Name the element which does not contain any neutrons in its nucleus.
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
Isotopes exist because atoms of the same element can have different numbers of ______.
The hydrogen atom does not have ______.
Which subatomic particles have no charge?
The stability of the nucleus is determined by the Neutron – Proton ratio.
