What is the only radioactive form of hydrogen?

1 Answer
Nov 9, 2016

Answer:

Tritium #""^3H# which has #1# proton and #2# neutrons in its nucleus.

Explanation:

Tritium, otherwise known as Hydrogen-3 decays by beta emission to #""^3He# with a half life of #12.32# years.

It has been used as a much safer replacement for Radium in self illuminating watch faces and other applications of luminous paint.