`._(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:

X rarr _(82)^(206)Pb+_(2)^(4)He .In this reaction predict the position of group of X:

X rarr _(82)^(206)Pb+_(2)^(4)He .In this reaction predict the position of group of X:

X rarr _(82)^(206)Pb+_(2)^(4)He .In this reaction predict the position of group of X: a) II B b) IV B c) VI A d) VI B

""_(84)^(210) Po to ""_(82)^(206) Pb + ""_(2)^(4) He . In the reaction , the position of Po in the periodic table is ___ A group when lead belongs to IV A

._(92)U^(238)rarr._(82)Pb^(206)+8._(2)^(4)He . The number of beta particles releaased in this reaction is

In the reaction : ""_(84)^(215)Poto""_(82)^(211)Pb+""_(2)^(4)He If Pb belongs to group 14, Po belongs to group

In the final Uranium radicactive series the initial nucleus is _(238)^(92) U and the final nucleus is _(82)^(206) pb . When Uranium necleus docays to lead , the number of a - particle is …….. And the number of beta - particles emited is ……