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A radioactive element emits 2 alpha-part...

A radioactive element emits 2 `alpha`-particles and 3 `beta`-particles . The values of atomic number (Z) and mass number (A) of the new element will be

A

(A/5),(z-1

B

(A-5),(z+1

C

(A-5),(z+1

D

(A-5),(z+1

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