Chemistry, 21.12.2019 20:31 deadpoolcorvettehats
What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle? 1. the mass number decreases by 2. the mass number decreases by 4. the mass number increases by 4 the mass number increases by 2.
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What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle? 1. the...
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