.(84)^(210)Po rarr (82)^(206) Pb + .(2)^...

`._(84)^(210)Po rarr _(82)^(206) Pb + ._(2)^(4)He` in this reaciton predict the positon of group of `Po` when lead is the the `IVB` group:

IIA

VIB

IVB

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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A

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