1.

A radioactive element belongs to the group 14 of the periodic table, it undergoes beta-emission, the product obtained belongs to the following group of the periodic table

Answer»

Group 12
Group 13
Group 15
Group 16

Solution :`._(6)^(14)C overset(beta " decay")RARR ._(7)^(14)N + underset(-1)overset(0)beta`


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