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A radioactive element X has an atomic nu...

A radioactive element X has an atomic number of 100. It decays directly into an element Y which decays directly into an element Z. In both processes, a charged particle in emitted. Which of the following statement (s)would be true ?

A

Y has an atomic number of 101

B

Y has an atomic number of 102

C

Z has an atomic number of 99

D

Z has an atomic number of 100

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
`X to Y + ""_(-1)^(e) to Z + ""_(2)^(4)He`
`A rArr X overset(beta)to Y, C rArr X overset(alpha)to Y overset(beta)to Z, " " D rArr X overset(beta)to Y overset(+1^(e^(d)))to Z`
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