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General Chemistry

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Periodic Table: Electronic Configuration

CHEM-EHHKX8

Which of the following electronic configurations represents an atom that will form an ion with a +2 charge as its most stable form?

A

$\left[ Ar \right] { 3d }^{ 3 }$

B

$\left[ Ar \right] $

C

$\left[ Ne \right] { 3s }^{ 2 }{ 3p }^{ 1 }$

D

$\left[ Ar \right] { 4s }^{ 2 }$