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notka56 [123]
3 years ago
15

The expulsion of a helium nucleus from an atom is called __________ decay

Biology
2 answers:
FromTheMoon [43]3 years ago
6 0
Th expulsion of a helium nucleus from  an atom is called  alpha decay. Alpha decay is a type radioactive decay in which an unstable atomic nuclei emits an alpha particle (helium nucleus) and thus transforming an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
Kitty [74]3 years ago
5 0

Answer:alpa decay

Explanation:

It’s on apex.

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