High Quality Content by WIKIPEDIA articles! Radium bromide is the bromide salt of radium, with the formula RaBr2 It is used in separating radium from uranium ore A bromide ion is a bromine atom with charge of ?1 Compounds with bromine in formal oxidation state ?1 are called bromides, and each individual chemical in this class can be called a bromide, однчк as well The class name can include ionic compounds such as caesium bromide or covalent compounds such as sulfur dibromide Bromide is present in typical seawater (35 PSU) with a concentration of around 65 mg/l, which is around 0 2% of all dissolved salts Seafoods generally have high levels of bromide, while foods derived from land have variable amounts.  Memorie2010 г Мягкая обложка, 104 стр ISBN 6130532555.