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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.
Sodium chloride / Ë s oÊ d i É m Ë k l ÉËr aÉª d /, also known as salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. Sodium chloride is the salt most responsible for the salinity of seawater and of the extracellular fluid of many multicellular organisms. In its edible form of table salt, it is commonly used as a condiment and food preservative.