The following modern names of elements are not reflected in the accepted symbol. The symbol was derived from an earlier, now archaic name.
Modern Name Symbol Archaic Name
Silver. Ag Argentium
Gold. Au Aurum
Iron. Fe Ferrum
Mercury. Hg Hydrargium
Potassium. K Kalium
Sodium. Na Natrium
Lead. Pb Plumbum
Tin. Sn Stannum
Antimony. Sb Stibium
Tungsten. W Wolfram