Chinese scientists proposed a novel imine-to-olefin transformation strategy to synthesize single-crystal sp² ... organic molecules through strong covalent bonds. COFs have numerous applications ...

According to information from the scientific journal Nature, a covalent bond that requires only a single electron is the first new type of chemical bond to be discovered in over ten years.

Small molecules - AQA A covalent bond is a shared pair of electrons. Covalent bonding forms molecules. Substances with small molecules have low melting and boiling points, and do not conduct ...