C3O1V4A1L1E1N1C3E1
16 points
COVALENCE is validvalid
[n COVALENCES]
the union of a pair of atoms by the sharing of a pair of electrons, one from each atom, also COVALENCY [n -S]
[n COVALENCES]
the union of a pair of atoms by the sharing of a pair of electrons, one from each atom, also COVALENCY [n -S]