gold (gōld) Pronunciation Key Symbol Au A soft, shiny, yellow element that is the most malleable of all themetals. It occurs in veins and in alluvial deposits. Because it is verydurable, resistant to corrosion, and a good conductor of heat andelectricity, gold is used as a plated coating on electrical andmechanical components. It is also an international monetary standardand is used in jewelry and for decoration. Atomic number 79; atomicweight 196.967; melting point 1,063.0°C; boiling point 2,966.0°C;specific gravity 19.32; valence 1, 3. See Periodic Table. See Note atelement. |
Friday, August 30, 2013
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