1.

In the reaction, Po""overset(alpha)toPboverset(beta)toBi If Bi belongs to group 15, to which group Po belongs ?

Answer»

14
15
13
16

Solution :`UNDERSET(GROUP 16)(PO)OVERSET(alpha)tounderset("Group 14")(Pb)overset(beta)tounderset("Group 15")(Bi)`


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