| Symbol |
Zr |
|
| Atomic Number |
40 |
Relative Atomic Mass
12C = 12.0000 |
91.224 |
Atomic Radius
pm |
160 |
First Ionisation Energy
kJ mol-1 |
660 |
| Electronegativity |
1.33 |
Density
kg m-3 |
6506 [293 K]
5800 [l., m.p.] |
Molar Volume
cm3 |
14.02 |
Thermal Conductivity
W m-1 K-1 |
22.7 [300 K] |
Melting Point
K |
2125 |
Boiling Point
K |
4650 |
| Number of Isotopes |
25 |
Ground State Electron
Configuration |
[Kr]4d25s2 |
| Term Symbol |
3F2 |
| Discovery |
Discovered by M.H. Klaproth (University of Berlin, Germany) in 1789 and isolated by J.J Berzelius (Stockholm, Sweden) in 1824 |
| Name Derived From |
Arabic zargon meaning 'gold colour' |
Name in Other
Languages |
 Croatian | Cirkonij |
 Danish | zirconium |
 Dutch | zirconium |
 Finnish | zirkonium |
 French | zirconium |
 German | Zirconium |
 Italian | zirconio |
 Norwegian | zirkonium |
 Portuguese | zircónio |
 Spanish | circonio |
 Swedish | zirkonium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
