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- Gold is a heavy, precious, yellow, metallic
- element, and has a symbol of Au, an atomic
- number of 79, and a relative atomic mass
- number of 197.0. For manufacture, gold is
- alloyed with another strenthening metal (such
- as copper or silver, its purity being
- measured in carats on a scale of 24. Gold has
- long been valued for its durability,
- malleability, and ductility, and its uses
- include dentistry, jewellery, and electronic
- devices.
-
- Subject by: Andrew Row
-