An atom that emits an a-particle?
...An atom that emits an a-particle?
may become a different element.
becomes a different isotope of the element
daughter with increased mass
becomes a daughter of a different element always
Correct answer is A
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and
thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.
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