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A metal M found in nature as sulphide or...

A metal M found in nature as sulphide ore `(M_(2)S)` is one of the good conductors of heat and electricity and is used in making electric wires .Identify the metal M.

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(i) The available clue suggests that the metal M is copper (Cu) and the sulphide ore is cuprous sulphide `(Cu_(2)S)`
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