Ionic Compounds: made of ions, metal + nonmetal, no prefixes in names, high melting points, solids at room temperature, electrons are transferred, NaCl, hard and brittle, conductors when dissolved in water, often water soluble, Molecular Compounds: made of molecules, nonmetal+nonmetal, prefixes in names, low melting points, solids, liquids, or gases at room temperature, electrons are shared, FCl, soft and waxy, not usually conductors when dissolved in water , often not water soluble, Both kinds of Compounds: result in elements having an octet of valence electrons, do not conduct as solids, form as a result of chemical bonding,

S9 Ionic & Molecular Compounds

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