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harina [27]
3 years ago
6

Marking as brainliest

Biology
2 answers:
PIT_PIT [208]3 years ago
4 0

Answer:

Z = 2 and A = 4

Explanation:

larisa [96]3 years ago
3 0

Answer:

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.

Explanation:

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