Link Centre Dictionary

atomic number 79

ato·mic·num·ber

uncommon

noun

1.

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

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WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.