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Unformatted text preview: they become mobile when the compound melts o individual molecules don't normally exist! an ion pair an ion crystal o examples: NaCl, KBr, Na 2 S, MgBr 2 o synonym: salts Table: Comparing ionic and molecular compounds. Molecular compounds Ionic compounds smallest particles molecules ions elements present close on the periodic table widely separated on the periodic table electrical conductivity poor good, when melted or dissolved state at room temperature solid, liquid, or gas solid other names covalent compounds salts...
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