Periodic Table of the Elements: Technetium

Name: Technetium
Symbol: Tc
Atomic Number: 43
Atomic Mass: (98)
Atomic Volume: ??? cc/mol
Discovered By: First produced by E. Lawrence and isolated by Perrier and Segre in 1937
Discovery Date: 1937
Origin of Name: Technetium - (Greek) technetos (artificial)
Toxicity: ???
Summary: Technetium is not found naturally on Earth. It was the first artificially produced element by bombarding molybdenum with deuterons. It has also been observed in the spectrum of the sun and stars.


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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLr

© Copyright 1998 David August