Physical and Chemical Properties of Gold

  • J. C. Yannopoulos


Gold is a soft yellow metal, with the highest ductility and malleability of any metal. Gold crystallizes in the cubic system, although crystals of gold are very rare (it is usually found as irregular plates or grains) Gold has high thermal and electrical conductivities. The only natural isotope of gold is 197Au; however, 19 isotopes—ranging from 185Au to 203Au—have been produced artificially. Those isotopes are radioactive, with half-lives ranging from a few seconds to 199 days (see Table 2-1).


Gold Alloy Engineer Division Gold Complex Zinc Dust Cyanide Solution 
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© Van Nostrand Reinhold 1991

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  • J. C. Yannopoulos

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