Q. Which is the most stable Radio isotope of Hydrogen?

A
Tritium
B
Protium
C
Deuterium
D
None of these
Solution:

Hydrogen has three naturally occurring isotopes: 1H (protium), 2H (deuterium), and 3H (tritium). Other highly unstable nuclei (4H to 7H) have been synthesized in the laboratory, but do not occur in nature. The most stable radioisotope of hydrogen is tritium, with a half-life of 12.32 years.

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