A radioactive nucleus with Z protons and N neutrons emits an a-particl – McqOptions

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1.	A radioactive nucleus with Z protons and N neutrons emits an a-particle, 2b-particles and 2 gamma rays. The number of protons and neutrons in the nucleus left after the decay respectively, are [AMU (Engg.) 2001]
A.	Z ? 3, N ? 1
B.	Z ? 2, N ? 2
C.	Z ? 1, N ? 3
D.	Z, N ? 4
Answer» E.

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