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Question
Write the β-decay of tritium in symbolic form.
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Solution
The β-decay of tritium is shown below
\[\ ^{3}_{1}{H} \to ^{ 3}_{2}{ He} + e^- + \bar{{v_e}}\]
It converts into a helium-3 nucleus by releasing an electron (or β particle) and an antineutrino.
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