Silver: Difference between revisions
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imported>Yi Zhe Wu No edit summary |
imported>Yi Zhe Wu No edit summary |
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|elSym=AG | |elSym=AG | ||
|elNum=47 | |elNum=47 | ||
|eltrnCfg=[ | |eltrnCfg=[Kr]4''d''<sup>10</sup> 5''s''<sup>1</sup> | ||
|no1= | |no1= | ||
|no2= | |no2= | ||
|no3= | |no3= | ||
|no4= | |no4= | ||
|properties= | |properties=Metallic | ||
|compounds=Oxides, O<sub>2</sub>, O<sub>3</sub> | |compounds=Oxides, O<sub>2</sub>, O<sub>3</sub> | ||
|uses= | |uses=coinage, electrical devices, etc. | ||
|hazard= | |hazard=silver compounds may cause [[argyria]] | ||
}} | }} | ||
'''Silver''' is a metallic element. In normal temperature and pressure, silver is a hard, lustrous, malleable solid. It has been discovered and used by human beings since ancient times, and is often regarded as one of the precious metals, along with [[gold]] and [[platinum]]. Today, silver is often used in electrical devices (such as electrical contacts and wires) and [[jewelry]]. It was once used extensively to mint coins and as an antibacterial agent before the discovery of [[antibiotics]] (though today silver in [[colloid]]al form is still sold as a dietary supplement in the [[United States]]). | |||
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Revision as of 16:01, 18 September 2007
Silver is a metallic element. In normal temperature and pressure, silver is a hard, lustrous, malleable solid. It has been discovered and used by human beings since ancient times, and is often regarded as one of the precious metals, along with gold and platinum. Today, silver is often used in electrical devices (such as electrical contacts and wires) and jewelry. It was once used extensively to mint coins and as an antibacterial agent before the discovery of antibiotics (though today silver in colloidal form is still sold as a dietary supplement in the United States).