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young reddish blonde girl with a scarf, gold bracelet and textiles posing in the studio
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Young Reddish Blonde Girl With A Scarf, Gold Bracelet And Textiles Posing In The Studio

Chemistry
Although gold is a noble metal, it forms many and diverse compounds. The oxidation state of gold in its compounds ranges from −1 to +5, but Au(I) and Au(III) dominate its chemistry. Au(I), referred to as the aurous ion, is the most common oxidation state with soft ligands such as thioethers, thiolates, and tertiary phosphines. Au(I) compounds are typically linear. A good example is Au(CN)2−, which is the soluble form of gold encountered in mining. Curiously, aurous complexes of water are rare. The binary gold halides, such as AuCl, form zigzag polymeric chains, again featuring linear coordination at Au. Most drugs based on gold are Au(I) derivatives.
Au(III) (auric) is a common oxidation state, and is illustrated by gold(III) chloride, Au2Cl6. The gold atom centers in Au(III) complexes, like other d8 compounds, are typically square planar, with chemical bonds that have both covalent and ionic character.

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Filename:492501.jpg
Album name:Babes
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Keywords:#young #reddish #blonde #girl #scarf #gold #bracelet #textiles #posing #studio
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Date added:Jul 14, 2012
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