1.

Successive emission of an alpha-particle and two beta -particle by an atom of an element results in the formation of its

Answer»

Isobar
Isomorph
Isotope
Isome

Solution :`._(Z)A^(m) RARR ._(z)B^(m-4) + ._(2)He^(4) + 2 ._(-1_e^(0)`


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