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atomic number 79

DEFINITIONS OF: atomic number 79

1

n a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia

Synonyms:
Au, gold
Types:
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24-karat gold, pure gold
100 per cent gold
gold dust
the particles and flakes (and sometimes small nuggets) of gold obtained in placer mining
green gold
a gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance
guinea gold
22-karat gold from which guinea coins were made
Type of:
noble metal
any metal that is resistant to corrosion or oxidation
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