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प्रश्न
An alpha particle gains two electrons. In doing so, it changes to:
पर्याय
deuterium
tritium
helium
none of these
MCQ
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उत्तर
Helium
Explanation:
An α-particle is a helium nucleus consisting of 2 protons and 2 neutrons. When it gains 2 electrons, it becomes a neutral helium atom.
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