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Is it possible for Ne(2) and F(2)^(-) ...

Is it possible for `Ne_(2)` and `F_(2)^(-)` to exist?

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`Ne_(2)` do not exist. `He_(2) : (sigma_(1s))^(2) (sigma **1s)^(2) (sigma2s)^(2) (sigma**2s)^(2) (sigma2p_(z))^(2) ( pi 2p_(x))^(2)(pi 2p_(y))^(2)(pi **2p_(x))^(2)(pi **2p_(y))^(2) (sigma ** 2p_(z))^(2)`
Bond order of `Ne_(2) = (10-10)/(2)=0,` Bond order = 0.5.
`Ne_(2)` do not exist but `F_(2)^(-)` exist .
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