58
Ce
Cerium
Cerium
Cerium (Ce)
Lanthanides · Solid · Period 6 · Group 3
Element Properties
- Atomic Number
- 58
- Symbol
- Ce
- Atomic Mass
- 140.116
- Category
- Lanthanides
- Standard State
- Solid
- Period
- 6
- Group
- 3
- Electronegativity
- 1.12
- Atomic Radius
- 235
- Ionization Energy
- 5.54
- Electron Affinity
- 0.5
- Oxidation States
- +4, +3
- Melting Point
- 1071 K (797.85 °C)
- Boiling Point
- 3697 K (3423.85 °C)
- Density
- 6.77
- Electron Configuration
- [Xe]6s2 4f1 5d1
- Year Discovered
- 1803
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Frequently asked questions
What is the atomic number of Cerium?
The atomic number of Cerium is 58, which equals the number of protons in its nucleus.
What is the atomic mass of Cerium?
The atomic mass of Cerium is approximately 140.116 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Cerium?
The electron configuration of Cerium is [Xe]6s2 4f1 5d1.
Where is Cerium in the periodic table?
Cerium is located in period 6, group 3.
When was Cerium discovered?
Cerium was discovered in 1803.
Related elements
Same group
21
Sc
Scandium
44.956
39
Y
Yttrium
88.906
57
La
Lanthanum
138.905
59
Pr
Praseodymium
140.908
60
Nd
Neodymium
144.24
61
Pm
Promethium
144.913