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单词 Dimercury
释义

Dimercury

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Mercury polycations

Mercury polycations are polyatomic cations that contain only mercury atoms. The best known example is the Hg2+
2
ion, found in mercury(I) (mercurous) compounds. The existence of the metal-metal bond in Hg(I) compounds was established using X-ray studies in 1927 and Raman spectroscopy in 1934 making it one of the earliest, if not the first, covalent metal-metal bonds to be characterised.

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