A lot of energy is needed to overcome these bonds. Simple molecular substances - Edexcel A covalent bond is a shared pair of electrons. Covalent bonding results in the formation of molecules.

In a study published in Angewandte Chemie International Edition, a research team integrated activity-based protein profiling ...

A covalent bond is a shared pair of electrons. Covalent bonding results in the formation of molecules or giant structures. Substances with small molecules have low melting and boiling points and ...

Catenanes are organic compounds with ring-like molecules that are mechanically interlocked. The mechanical locking system in ...