PERIODIC TABLE

Zirconium

Atomic No. 40 Zr Zirconium

About Zirconium

Zirconium is a transition metal with atomic number 40 whose compounds predominantly contain zirconium in the +4 oxidation state. Zirconium dioxide is used in strong ceramic components, crucibles and furnace materials. Zirconium alloys are also used in nuclear reactors because they combine corrosion resistance with relatively low neutron absorption.

Properties

Atomic Number
40
Atomic Symbol
Zr
Atomic Mass
91.224
CAS No.
7440-67-7
Density
6.511 g/cm³
Series
transition metal
Melting Point
1,855°C
Boiling Point
4,409°C
Thermal Conductivity
0.23 W/cm °C
Heat of Fusion
21 kJ/mol
Heat of Vaporization
580 kJ/mol
Electronegativity
1.33 pauling
Crystal Structure
Hexagonal
Electrical Conductivity
2.4×106 S/m

Zirconium Products

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