27. IONIC COMPOUNDS In an ionic crystal, every ion is attracted to every other ion in the crystal. As a result, ionic crystals have very high melting points ex.) NaCl melts at 800 o C
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40. ION NAMES The name of an ion of a multivalent element always contains a Roman numeral that indicates the ion charge
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44. NAMING IONIC COMPOUNDS iod ide iod ine brom ide brom ine chlor ide chlor ine sulf ide sulf ur phosph ide phosph orous fluor ide fluor ine ox ide ox ygen nitr ide nitr ogen
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53. SO 3 2- sulphite SO 4 2- sulphate PO 3 3- phosphite PO 4 3- phosphate MnO 4 - permanganate NO 2 - nitrite NO 3 - nitrate OH - hydroxide HCO 3 - hydrogen carbonate (bicarbonate) CO 3 2- carbonate NH 4 + ammonium Formula Name