Cerium [Ce] (CAS-ID: 7440-45-1) locate me
An: 58 N: 82 Am: 140.116
Group Name: Lanthanoid
Block: f-block  Period: 6 (lanthanoid)
State: solid at 298 K
Colour: silvery white Classification: Metallic
Boiling Point: 3699K (3443'C)
Melting Point: 1071K (795'C)
Density: 6.770g/cm3
Shell Structure diagram | Atomic Radius diagram
Isotopes | More Info
Discovery Information
Who: W. von Hisinger, J. Berzelius, M. Klaproth
When: 1803
Where: Sweden/Germany
Name Origin
From the asteroid Ceres discovered in 1801.
Sources
Most abundant rare earth metal. Found in many minerals like monazite.
Uses
Used in alloys to make them heat-resistant, it is also used in alloys that make permanent magnets.
Cerium is used as an alloying element in tungsten electrodes for gas tungsten arc welding.
Cerium compounds are used in the manufacture of glass, both as a component and as a decolouriser.
Notes
Cerium is the most abundant of the rare earth elements, making up about 0.0046% of the Earth's crust by weight.
Only europium is more reactive than cerium among rare earth elements.
Images