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General Chemistry

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Deuterium: Electronic Configuration

CHEM-UJGSYT

The electronic configuration of deuterium ($D$, also known as ${ }^{ 2 }H$) is

A

$1{ s }^{ 2 }$

B

$1{ s }^{ 1 }$

C

$1{ s }^{ 1 }2{ s }^{ 1 }$

D

$[He]2{ s }^{ 1 }$