Periodate

（重定向自Metaperiodate）

Periodate /pəˈraɪ.ədeɪt/ is an anion composed of iodine and oxygen. It is one of a number of oxyanions of iodine and is the highest in the series, with iodine existing in oxidation state +7. Unlike other perhalogenates, such as perchlorate, it can exist in two forms: metaperiodate IO−
4 and orthoperiodate IO5−
6. In this regard it is comparable to the tellurate ion from the adjacent period. It can combine with a number of counter ions to form periodates, which may also be regarded as the salts of periodic acid.

单词	Metaperiodate
释义	Metaperiodate 英语百科 Periodate （重定向自Metaperiodate） Periodate /pəˈraɪ.ədeɪt/ is an anion composed of iodine and oxygen. It is one of a number of oxyanions of iodine and is the highest in the series, with iodine existing in oxidation state +7. Unlike other perhalogenates, such as perchlorate, it can exist in two forms: metaperiodate IO− 4 and orthoperiodate IO5− 6. In this regard it is comparable to the tellurate ion from the adjacent period. It can combine with a number of counter ions to form periodates, which may also be regarded as the salts of periodic acid.
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