| Symbol |
Ce |
|
| Atomic Number |
58 |
Relative Atomic Mass
12C = 12.0000 |
140.115 |
Atomic Radius
pm |
182.5 |
First Ionisation Energy
kJ mol-1 |
527.4 |
| Electronegativity |
1.12 |
Density
kg m-3 |
8240 (α)
6749 (β)
6773 (γ)
6700 (δ) [298 K] |
Molar Volume
cm3 |
17.00 |
Thermal Conductivity
W m-1 K-1 |
11.4 [300 K] |
Melting Point
K |
1072 |
Boiling Point
K |
3699 |
| Number of Isotopes |
28 |
Ground State Electron
Configuration |
[Xe]4f15d16s2 |
| Term Symbol |
3H4 |
| Discovery |
Discovered by J.J Berzelius and W. Hisinger (Vestmanland, Sweden) in 1803. First isolated by W.F. Hillebrand and T.H. Norton (Washington D.C., USA) in 1875 |
| Name Derived From |
Named after the asteroid Ceres |
Name in Other
Languages |
 Croatian | Cerij |
 Danish | cerium |
 Dutch | cerium |
 Finnish | cerium |
 French | cérium |
 German | Cer |
 Italian | cerio |
 Norwegian | cerium |
 Portuguese | cério |
 Spanish | cerio |
 Swedish | cerium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
