Chemistry, 29.01.2020 04:03 hugbug2554

When an alpha particle is emitted from an unstable nucleus, the atomic mass numberof the nucleus
9)

a) increases by 4.
b) decreases by 2.
c) increases by 2.
d) decreases by 4.

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When an alpha particle is emitted from an unstable nucleus, the atomic mass numberof the nucleus