bonding - Crunch Chemistry

Nitrogen, nitrogen oxides and the nitrogen cycle

Nitrogen is a diatomic molecule in its elemental form, N2, and it makes up 78% of the atmosphere on Earth.

This is the second modern theory of bonding, the first being valence bond theory. In molecular orbital theory covalent bonds

Our familiar model of covalent bonding is largely based on the Lewis model, with atoms sharing pairs of bonding electrons

Once again, showing how covalent bonds are formed using dot and cross diagrams is simpler at A level than at

Metal atoms find it fairly easy (in terms of energy) to lose their outer-shell or valence electrons. They have a