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period , situated between palladium and cadmium . in addition, it lies in group (former group b), between copper and gold . silver is a very ductile and malleable and is slightly harder than gold . it is stable in pure air and water, but it tarnishes when exposed to ozone , hydrogen sulfide , or air containing
yet, its higher cost and tarnishability have prevented it from replacing copper for electrical purposes. pure silver also has the highest thermal conductivity , whitest color, highest optical reflectivity (except for being a poor reflector of ultraviolet light), and the lowest contact resistance of any...
https://www.newworldencyclopedia.org/entry/Silver