1.

Emission of beta -particle by an atom of an element results in the formation of its

Answer»

Isotope
Isomer
Isomorph
Isobar

Solution :`._(1)H^(3) rarr ._(2)He^(3) + ._(-1)E^(0)`
`._(1)H^(3) and ._(2)He^(3)` are isobars (same mass no.)


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