Chemical insight into biological function is the holy grail of structural biology. Small molecules are central players as building blocks, effectors and probes of macromolecular structure and ...

Chemical formulae The chemical formula for a substance shows how many atoms of each element are present in a molecule, or the proportion of atoms of each element. The formula can be worked out ...

Different types of chemical bonding, and patterns and trends can be observed in their arrangement. Structure and bonding Elements are held together in different ways and the properties of chemical ...