(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
relating to or used in chemistry
material produced by or used in a reaction involving changes in atoms or molecules
any number of entities (members) considered as a unit
arrange into a group or groups
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
a set that is closed, associative, has an identity element and every element has an inverse
