Question

Write a brief note on isotopes of hydrogen.

Answer 1

Hydrogen has 3 stable isotopes denoted as 1H, 2H and 3H

1. 1H- is named as protium and it is about 99.98% of total hydrogen
2. 2H- is named as deutarium and it is about 0.0026-0.0184 of hydrogen sample on earth
3. 3H- is named as tritium and it is a radioactive isotope

Answer 2

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✪ Hydrogen is first element in the periodic table.

✪ Hydrogen appears at the top of group one of the alkali metals.

Explanation:

⭒Hydrogen has three isotopes:

➡Proteium: Which is pro dominant isotopes. It has no neutron in it's nucleus. The symbol of proteium is H.

➡Deuterium: Which is also known as heavy hydrogen. It has one neutron in it's nucleus.

➡Tritium: Which is radioactive isotopes with half life 12.33 years. It has 2 neutrons in it's nucleus.

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