There is resonance between various Lewis structures as: :⊖C≡⊕O: ⟷ :C=O:: ⟷ :⊕C−⊖O::: The term "valence" is not used much nowadays, and "oxidation ... ... <看更多>

This is the Lewis electron structure of nitrosyl chloride, a highly corrosive, reddish-orange gas. Exercise. Write Lewis electron structures for CO 2 and SCl 2, ... ... <看更多>