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A nucleus undergoes a series of decay ac...

A nucleus undergoes a series of decay according to the scheme `A overset(alpha)(rarr) B overset(beta)(rarr)C overset(alpha)(rarr)D overset(gamma)(rarr) E`
Atomic number and mass number of E are 69 and 172

A

Atomic number of A is 72

B

Mass number of B is 176

C

Atomic number of D is 69

D

Atomic number of C is 69

Text Solution

Verified by Experts

The correct Answer is:
B, C
Assuming `beta` to be `_(+1)beta^(0)`
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