Издательство: | Книга по требованию |
Дата выхода: | июль 2011 |
ISBN: | 978-6-1305-3255-0 |
Объём: | 104 страниц |
Масса: | 178 г |
Размеры(В x Ш x Т), см: | 23 x 16 x 1 |
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, 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.
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