Zirconium Properties, Molecular Formula, Applications - WorldOfChemicals

Zirconium Properties

Zirconium

Description

 

Zirconium is a strong transition metal that resembles titanium. It is mainly used as a refractory and opacifier, although minor amounts are used as alloying agent for its strong resistance to corrosion. It is obtained mainly from the mineral zircon, which is the most important form of zirconium in use. It is also a component of some Ziegler-Natta catalysts, used to produce polyethylene and polypropylene. It is used for cladding nuclear reactor fuels. For this purpose, it is mainly used in the form of zircaloys.

Chemical Properties

Appearance Silvery White Solid
Atomic Number 40
Atomic Weight 91.224 g/mol
Block d
Boiling Point 4409 °C
CAS Number 7440-67-7
Class 4.2
Crystal Structure Hexagonal Close-Packed
Density 6.52 g/cm3
EINECS Number 231-176-9
Electron Configuration 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d2
Group 4
Ionization Energy 640.1 KJ/mol
Melting Point 1855 °C
Oxidation State 4,3,2,1
PG 2
Period 5
RTECS Number ZH7070000
Symbol Zr
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