ABC - DEF - GHI - JKL - MNO - PQRS - TUV - WXYZ
The smallest part of any substance which has the qualities of that substance,
and which can exist alone in a free state. As an example, a molecule of water
(H2O) consists of two atoms of hydrogen and one of oxygen.
Deutsch: MolekülEspañol: MoléculaFrançais : Molécule