Write the names of isotopes of hydrogen. ...

NCERT Class XI Chemistry Hydrogen Solutions

Question : 2 of 36

Marks: +1, -0

Write the names of isotopes of hydrogen. What is the mass ratio of these isotopes?

Solution:

Hydrogen has three isotopes :

(a) Protium

\,{}_{1}^{1}\mathrm{H}

(b) Deuterium

\,{}^{\underset{1}{2}}\mathrm{H}

or D

{}^{3}_{1}\mathrm{H}

or T

The mass ratio of hydrogen isotopes is 1 : 2 : 3.

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