Give the number of electrons in the species $H_2^+$,$H_2$,and $O_2^+$.
(A) The number of electrons in $H_2^+$ is calculated as $(1 + 1 - 1) = 1$.
The number of electrons in $H_2$ is $(1 + 1) = 2$.
The number of electrons in $O_2^+$ is calculated as $(8 + 8 - 1) = 15$.
The number of electrons in $H_2$ is $(1 + 1) = 2$.
The number of electrons in $O_2^+$ is calculated as $(8 + 8 - 1) = 15$.
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