Question

Radioactive element emit $\alpha,\beta$and $\gamma$rays and are characterized by their half-lives. The radioactive isotope of hydrogen is.

• A. Protium
• B. Deuterium
• C. Tritium
• D. Hydronium.

Answer 1

Answer: (C)

Tritium

Answer 2

: Nuclides with n/p (neutron-proton) ratio > $1.5$are usually radioactive. For, tritium (n=2, P=1), it is 2.