Question

mass number of protium,dueterium and tritium​

Answer 1

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$<marquee>Mass no. of Protium is 1$

$<marquee>Mass no. of Dueterium is 2$

$<marquee>Mass no. of Tritium is 3$

Answer 2

Answer:

Protium :

Mass number : 1 , Atomic mass number : 1.00794 amu.

dueterium:

Mass number : 2 , Atomic mass number : 2.014 amu.

tritium :

Mass number : 3 , Atomic mass number : 3.016 amu.