Hydrogen or protium is the most stable non-radioactive and percentage is 99-985%.
Deutrium is also stable and non-radioactive. Percentage is 0-015%.
Tritium is unstable, radioactive and percentage is 10-15%.
Hydrogen or protium is the most stable non-radioactive and percentage is 99-985%.
Deutrium is also stable and non-radioactive. Percentage is 0-015%.
Tritium is unstable, radioactive and percentage is 10-15%.