1. Beta ( β^- ) 2. Alpha ( α ) 3. Gamma ( γ ) 4. Neutron (n)

Answer: 1. Beta ( β^- ) Key idea: tritium ( ³₁H ) is a beta emitter. ³₁H→³₂He+β^-+barν : a neutron changes into a proton, emitting a β^- particle. It emits no alpha, gamma or neutrons.

Topic: Atomic and molecular masses, mole concept, molar mass· Some Basic Concepts in Chemistry

Tritium, a radioactive isotope of hydrogen, emits which of the following particles ?

1. Beta (\(\beta^-\))

2. Alpha (\(\alpha\))

3. Gamma (\(\gamma\))

4. Neutron (n)

Doubtly Asked 30 Oct 2026 NEET UG 2021 neet Save WhatsApp Report

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Answer: 1. Beta (\(\beta^-\))

Key idea: tritium (\(^3_1\mathrm{H}\)) is a beta emitter.

\(^3_1\mathrm{H}\rightarrow{}^3_2\mathrm{He}+\beta^-+\bar\nu\): a neutron changes into a proton, emitting a \(\beta^-\) particle. It emits no alpha, gamma or neutrons.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Tritium, a radioactive isotope of hydrogen, emits which of the following particles ?

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