CADMIUM

Cadmium

Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it prefers oxidation state +2 in most of its compounds and like mercury it shows a low melting point compared to transition metals. Cadmium and its congeners are not always considered transition metals, in that they do not have partly filled d or f electron shells in the elemental or common oxidation states. The average concentration of cadmium in the Earth's crust is between 0.1 and 0.5 parts per million . It was discovered in 1817 simultaneously by ...

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cadmium

Noun

  1. A metallic chemical element (symbol Cd) with an atomic number of 48.


The above text is a snippet from Wiktionary: cadmium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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