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PERIODIC TABLE
Cerium
Atomic No. 58
Ce
Cerium
About Cerium
Cerium is a lanthanide with atomic number 58 that readily forms compounds in both the +3 and +4 oxidation states. Cerium oxide is used to polish optical glass, and cerium zirconium oxides store and release oxygen in automotive catalyst formulations. Cerium ions also act as luminescent activators in materials such as lanthanum bromide scintillators.
Properties
- Atomic Number
- 58
- Atomic Symbol
- Ce
- Atomic Mass
- 140.116
- CAS No.
- 7440-45-1
- Density
- 6.689 g/cm³
- Series
- lanthanoid
- Melting Point
- 798°C
- Boiling Point
- 3,360°C
- Thermal Conductivity
- 0.11 W/cm °C
- Heat of Fusion
- 5.5 kJ/mol
- Heat of Vaporization
- 350 kJ/mol
- Electronegativity
- 1.12 pauling
- Crystal Structure
- Hexagonal
- Electrical Conductivity
- 1.4×106 S/m
Cerium Products
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