1.

._(84)Po^(210) rarr ._(82)Pb^(206) + ._(2)He^(4). From the above equation, deduce the position of polonium in the periodic table (lead belongs to group IV A)

Answer»

IIA
IV B
VI B
VI A

Solution :An ELEMENT formed by losing one `alpha-`PARTICLE occupies who position left to parent element, Pb in IVA, thus PO should be in VIA


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