Three naturally occurring isotopes of hydrogen (1H) are frequently referred to as ¹H ,²H and ³H namely Protium, Deuterium and Tritium respectively. Their symbol, mass number, abundance in nature and atomic mass is given as follows;
Protium
Symbol- ¹H
Abundance in nature- [0.99972]
Mass number- One
Atomic mass- 1.007825 amu
Deuterium
Symbol- ²H
Abundance in nature- [0.00001]
Mass number- Two
Atomic mass -2.014102 amu
Tritium
Symbol- ³H
Abundance in nature- Trace
Mass number- Three
Atomic mass-3.016049 amu
The symbol, mass number , atomic mass in amu units and natural abundance of the three isotopes of hydrogen are explained where protium is the highest abundant isotope having 99.972% abundance in nature.
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