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Zirconium
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Chemical element with atomic number 40 (Zr)
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Wikipedia

Zirconium is a chemical element; it has symbol Zr and atomic number 40. First identified in 1789, isolated in impure form in 1824, and manufactured at scale by 1925, pure zirconium is a lustrous transition metal with a greyish-white color that closely resembles hafnium and, to a lesser extent, titanium. It is solid at room temperature, ductile,...

Instance of
Chemical element
combustible powder
lithophile
Subclass of
Transition metal
Period 5 element
Part of
Period 5 element
Discoverer / Inventor
Martin Heinrich Klaproth
References
Wikidata