When a photon hits a crystal of silver bromide on a film strip, for instance, it knocks an electron off a negatively-charged bromide ion to create an atom of bromine.
例如,光子撞击胶卷表面的溴化银晶体时,从带负电的溴离子上“敲掉”一个电子,生成一个溴原子。
单词 | Bromide ion |
释义 |
Bromide ion
原声例句
Scishow 精选系列 When a photon hits a crystal of silver bromide on a film strip, for instance, it knocks an electron off a negatively-charged bromide ion to create an atom of bromine. 例如,光子撞击胶卷表面的溴化银晶体时,从带负电的溴离子上“敲掉”一个电子,生成一个溴原子。
英语百科
BromideA bromide is a chemical compound containing a bromide ion or ligand. This is a bromine atom with an ionic charge of −1 (Br); for example, in caesium bromide, caesium cations (Cs) are electrically attracted to bromide anions (Br) to form the electrically neutral ionic compound CsBr. The term "bromide" can also refer to a bromine atom with an oxidation number of −1 in covalent compounds such as sulfur dibromide (SBr2). |
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