Covalent bonding thus allows high potency to be routinely achieved in compounds of low molecular mass, along with all the beneficial pharmaceutical properties that are associated with small size.

A molecule is a group of atoms held together by covalent bonds. Covalent compounds do not conduct electricity. Substances that consist of covalent molecules are usually gases or liquids at room ...

Because covalent ... similar properties to ionic solids. They are very hard, somewhat brittle solids with extremely high melting points (higher than 1,000 C or 1,800 F). Unlike ionic compounds ...

This article explains the definitions, characteristics ... are held together by chemical bonds (ionic, covalent, or metallic). Compounds exhibit properties different from the individual elements ...

Ionic compounds ... giant covalent structures. Metals and alloys - AQA The structure of metals explains their high melting and boiling points and their conductivity. The properties of a metal ...