What is the VSEPR code and shape of N_2N2?

1 Answer
anor277
Apr 8, 2016

A diatomic molecule must be linear, but it is the disposition of the electrons that is important.

Explanation:

Each nitrogen atom (Z=7Z=7) has 55 valence electrons, giving 10 valence electrons in total. 4 of these electrons are presumed to form lone pairs on each nitrogen atoms; the remaining 6 electrons are shared between the nitrogen nuclei to form a very stable triple bond, :N-=N::N≡N:. This triple bond accounts for the very short N-NN−N distance (1.10xx10^(-10)m1.10×10−10m), and the high bond dissociation energy of 226226 kcal*mol^-1kcal⋅mol−1.

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