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Q.

A carbon nucleus emits a particle x and changes into nitrogen according to the equation: C 614N 714 + x

What is x?

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a

an electron

b

a photon

c

a proton

d

an alpha particle

answer is A.

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Detailed Solution

From the conservation of charge and mass number, the charge number of x is –1 and mass number is zero which is shown by electron.

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