The decay product of tritium (a beta emitter) is_________________?
Correct answer: D. Helium
- A. Lithium
- B. Hydrogen
- C. Deuterium
- D. Helium
Explanation
Tritium is hydrogen-3 and undergoes beta-minus decay, converting a neutron into a proton and forming helium-3. Thus, its element changes from hydrogen to helium while the mass number remains 3.
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