Symbol: Zr

Atomic Number: 40

Atomic Weight: 91.22

Zirconium (atomic number 40, symbol Zr) is a transition metal that was first isolated in 1824 by Jons Berzelius. This chemical element was discovered in 1789 by the German chemist Martin Klaproth who also discovered cerium and uranium.

Properties and Isotopes
This element is a metal with a hexagonal close-packed structure and shares properties with titanium. It is lustrous, ductile, malleable, and silvery-gray in color. It is a strong metal that is corrosion and heat resistant. Zirconium has a boiling point of 7952 F (4400 C) and melting point of 3365 F (1852 C). Four stable isotopes are included in the...Read More