Periodic Table of the Elements: Tungsten

Name: Tungsten
Symbol: W
Atomic Number: 74
Atomic Mass: 183.85
Atomic Volume: 9.54 cc/mol
Discovered By:
Discovery Date:
Origin of Name: Tungsten - (Swedish) tung sten (heavy stone), the symbol W is from the German name for Tungsten, Wolfram, from the mineral wolframite
Toxicity: Powdered tungsten is toxic when inhaled as dust; produces irritation of the respiratory tract. Soluble tungstates are slightly toxic (irritate the skin).
Summary: Not found free in Nature. Tungsten has the highest melting point and lowest vapor pressure of all the metals. Used to harden steel and other alloys.


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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLr

© Copyright 1998 David August