Bond Types

Δχ	δ	Bond Type
Note that δ is the value of δ in ^δ^–X – Y^δ+
> 1.8	> 0.5	ionic
0.4 to 1.8	0.05 to 0.5	polar covalent
< 0.4	< 0.05	covalent

Approximate Bond Type Versus Δχ