Question

What are the isotopes of Hydrogen ? Give their symbol and name.

Answer 1

Isotopes:

1. Isotopes are the atoms with same atomic number but different mass numbers.
2. Hydrogen has three isotopes.

Isotopes of hydrogen are:

1. Protium $\left({}_1{}^{1}H\right)$, it contains one proton and one electron.
2. Deuterium $\left({}_1{}^{2}H\right)$, it contains one proton, one electron, and one neutron.
3. Tritium $\left({}_1{}^{3}H\right)$, it contains one proton, one electron, and two neutrons.