Increased-Valence Structures for N2O and

To illustrate this point, we may refer to the valenee-bond structures (H H) and (H H ) for 

If we use the result that a 1-electron bond between a pair of atoms A and B summarizes resonance between valence-bond structures (A B) and (A B) (i.e. 

Chapter 2 Pauling 3-Electron Bonds , 4-Electron 3-Centre Bonding, and the Need. .. 

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