Question

Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?​

Answer 1

Hydrogen element has three isotopes which are protium, deuterium, and tritium.

$(^1_1H)$, $(^2_1D)$ and $(^3_1T)$

Tritium is the radioactive element.

Explanation :

Isotope : It is defined as the element that have the same number of protons but have the different number of neutrons of each of the atom.

As we know that, hydrogen element has three isotopes which are protium, deuterium, and tritium. They have the same number of protons but have the different number of neutrons of each of the atom.

Protium has 1 proton and 0 neutron $(^1_1H)$, deuterium has 1 proton and 1 neutron $(^2_1D)$ and tritium has 1 proton and 2 neutrons $(^3_1T)$.

That means, they have same atomic number but different mass number due to number of neutrons.

Tritium is the radioactive element.

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Answer 2

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