A filled or half-filled set of p or d-orbital | vedclass

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(C) The electronic configuration of $Cl^{-}$ is $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6}$.Since the $3p$ subshell is completely filled $(3p^{6})$,the elect

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$Cl^{-}$

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(C) The electronic configuration of $Cl^{-}$ is $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6}$.Since the $3p$ subshell is completely filled $(3p^{6})$,the electron density distribution is spherically symmetric.Other options like $Na$ $([Ne] 3s^{1})$,$C$ $(1s^{2} 2s^{2} 2p^{2})$,and $Fe$ $([Ar] 3d^{6} 4s^{2})$ do not have completely filled or half-filled $p$ or $d$ subshells that result in spherical symmetry.

$A$ filled or half-filled set of $p$ or $d$-orbitals is spherically symmetric. Point out the species which has spherical symmetry.

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