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 |
APPEARS IN
संबंधित प्रश्न
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Which subatomic particle is not present in an ordinary hydrogen atom?
Name the element which does not contain any neutrons in its nucleus.
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
The number of neutrons present in 73Li is ______.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Isotopes exist because atoms of the same element can have different numbers of ______.
James Chadwick discovered the fundamental particle called proton.
The stability of the nucleus is determined by the Neutron – Proton ratio.
