Covalent cmpds
Remember covalent cmpds--
A _________ is the smallest unit of a covalent
cmpd that retains the characteristics of the cmpd.
Molecule - two or more atoms in a definite
arrangement held together by chemical bonds.
(H2O,  Cl2) [Cl2 is considered a molecule but not a
cmpd]
Molecular cmpds exist as