1.

The number of neutrons in the parent nucleus which gives N^14 on beta-emission and the parent nucleus is

Answer»

`8, C^(14)`
`6, C^(12)`
`4, C^(13)`
None of these

Solution :`._(6)C^(14) rarr ._(7)N^(14) + ._(+1)e^(0)`
No. of neutrons in `C^(14) = 14 - 6 = 8`


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