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The oxidation number of sodium in sodium bromide is 1. 1  Formula: NaBr. 2  Hill system formula: Br 1 Na 1. 3  CAS registry number: [7647-15-6]. 4  Formula weight: 102.894. 5  Class: bromide. 6  Colour: white. 7  Appearance: crystalline solid. 8  Melting point: 747Â°C. 9  Boiling point: 1390Â°C. 10  Density: 3200 kg m -3.
For other uses, see NaCl (disambiguation) . Sodium chloride /ËsoÊdiÉm ËklÉraÉªd/ , also known as salt, common salt, table salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.n the language of close-packing, the larger chloride ions are arranged in a cubic array whereas the smaller sodium ions fill all the cubic gaps (octahedral voids) between them. This same basic structure is found in many other compounds and is commonly known as the halite or rock-salt crystal structure.