1.

The bromineatom possesses35electrons.itcontains6 electrons in 2porbitals6 elecrons in 3porbitaland 5electronin 4porbitalswhich of theseelectronexperience the lowesteffectivenuclear charge

Answer»

SOLUTION :4p orbitalhas LESS effectivenuclearcharge
Asn=4is morethann=2of 2pandn=3of 3p . `2p to3p to4p`successiveenergyincrease.Sothere isless ATTRACTION of nucleus on 4p .


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