The _ of each element have a characteristic number of _ arranged in _. The number of _ determines what types of bonds or ions the atoms may form, so the chemical reactivity of an atom arises from its _. The properties of compounds emerge from the arrangement of their constituent atoms and of the bonds between them. Thus, a wide variety of _ with very different chemical properties can be made from the same _. Each molecule has a distinctive size, shape, and _, which determine its highly specific ability to _. Compounds in chemical wastes may contaminate the environment if their atoms are combined in new arrangements that _. Word bank:
atoms
Molecules
Harm living organisms
Valence electrons
Charge distribution
Electron distribution
Interact with other molecules electron shells
Electrons
Basic atoms