Radon `220` decays to Bismuth `212` by the following series of decay `{:(._
Channel: Doubtnut
Date: 2020-02-09

Radon `220` decays to Bismuth `212` by the following series of decay `{:(._(86)Rnrarr_(84),Po^(216)+_(2),He^(4),,T_(1//2)=55s,),(._(84)Po^(216)rarr_(82),Pb^(212)+_(2),He^(4),,T_(1//2)=0.016s,),(._(82)Pb^(212)rarr_(83),Bi^(212)+_(-1),e^(0),,T_(1//2)=10..6s,):}` If certain mass of randon is allowed to decay in certain container, after five minutes element with greatest and least mass will respectively be