• Molecular compounds are inorganic compounds that take the form of discrete molecules.
  • These compounds are very different from ionic compounds like sodium chloride (NaCl) Ionic compounds are formed when metal atoms lose one or more of their electrons to nonmetal atoms.
  • A system to distinguish between compounds such as these is necessary.Prefixes are used in the names of binary molecular compounds to identify the number of atoms of each element.
  • The order of nonmetals in binary compound formulas is C, P, N, S, H, Cl, O, F, Br, F.
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