APFIVE Alpha Decay and Atomic Number
What change occurs in the atomic number of a nucleus when it undergoes alpha decay?
A
Decreases by 4
B
Remains unchanged
C
Decreases by 2
D
Increases by 2
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What change occurs in the atomic number of a nucleus when it undergoes alpha decay?
Decreases by 4
Remains unchanged
Decreases by 2
Increases by 2
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