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
Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?
Which subatomic particle is not present in an ordinary hydrogen atom?
Name the subatomic particle whose relative charge is : 0
Fill in the blank of the following statement :
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is __________.
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.
State the number of neutrons in each of the atoms A to E. Also state which of the atoms A to E is a metal.
The number of neutrons present in 73Li is ______.
Calculate the number of neutrons present in the nucleus of an element X which is represented as `""_15^31"X"`
What is the charge of a neutron?
