The molecular electronic configuration of $H_2^ - $ ion is
The molecular electronic configuration of $H_2^ - $ ion is
- A
${\left( {\sigma \,1s} \right)^2}$
- B
${\left( {\sigma \,1s} \right)^2}{\left( {{\sigma ^*}1s} \right)^2}$
- C
${\left( {\sigma \,1s} \right)^2}{\left( {{\sigma ^*}1s} \right)^1}$
- D
${\left( {\sigma \,1s} \right)^3}$
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