Question

what is the most common istope of hydrogen​

Answer 1

Answer:

Protium (hydrogen-1)

Protium is the most common isotope of hydrogen. It makes up more than 99.98% of all the hydrogen in the universe.

Answer 2

these is application of Isotopes

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.