Yet even this friendly fellow has its limits. Take Bredt's rule for instance, which says stable two-laned connections known as covalent double bonds won't form adjacent to any V-shaped bridges ...

This attraction pulls the atoms together and the electrons are shared by both atoms. The atoms form a double bond because there is a strong enough attraction in both directions and room for the ...

A covalent bond is a shared pair of electrons between two non-metal atoms, for example carbon dioxide. Figure caption, Two atoms sharing a pair of electrons. A covalent bond happens when the ...