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单词 Polonide
释义

Polonide

英语百科

Polonide

A space-filling representation of the crystal structure of magnesium polonide: Mg2+ ions are shown in green, while Po2− ions are shown in brown.

A polonide is a chemical compound of the radioactive element polonium with any element less electronegative than polonium. Polonides are usually prepared by a direct reaction between the elements at temperatures of around 300–400 °C. They are amongst the most chemically stable compounds of polonium, and can be divided into two broad groups:

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