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2015-03-19T21:42:34+05:30

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These are three isotopes of Hydrogen. Each having a valency of 1,2 and 3 respectively.
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2015-03-19T21:47:19+05:30
Protium , deuterium and tritium are isotopes of hydrogen.
They all have same atomic no. but diffrent mass no. that is 1, 2 and 3 respectively.


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