a nucleus having charge number 7 and mass number 14 ,if it captures an alpha particle and then emits a beta particle, its new charge and mass numbers will be??
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(i) 11 24 Na → 12 24 Mg+ − e
(ii) 11 is the atomic number, 24 is the mass number.
(iii) 12 24 Mg and 11 24 Na are isobars, as they have the same mass number.
Isobars are the atoms of different elements which have the same mass number, but differ in their atomic number.
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