Periodic Table of the Elements: Zirconium


Name: Zirconium
Symbol: Zr
Atomic Number: 40
Atomic Mass: 91.22
Atomic Volume: 13.97 cc/mol
Discovered By: Klaproth
Discovery Date: 1789
Origin of Name: Zirconium - (Arabic) zargun (gold color, from the gemstone zircon)
Toxicity: Powdered zirconium is not toxic. Compounds are almost nontoxic.
Summary: Zirconium can absorb large amounts of oxygen from the air. Zirconium oxide (ZrO 2 , zirconia) in its crystalline form is used as a gem material.

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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLr

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