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When a radioactive element emits an elec...

When a radioactive element emits an electron the daughter element formed will have

A

Mass number one unit less

B

Atomic number one unit less

C

Mass number one unit more

D

Atomic number one unit more

Text Solution

Verified by Experts

The correct Answer is:
D
`""_(Z)A^m to ""_(Z+1)B^m + ""_(-1)e^0`
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