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Cadmium and its compounds

Term
Cadmium is a naturally occurring chemical element and a heavy metal. In nature Cadmium is nearly always found in combination with other elements as such sulphur (cadmium sulphide). Cadmium is usually extracted from zinc, lead and copper ores, in which it occurs as minor component. Pure cadmium is a soft silver-white metal and is similar in many respect to zinc, with which it is usually found in nature. Cadmium melts at about 321 0C.

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