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CERIUM, Ce
30
Uses:
- Component of misch metal, material used in cigarette lighters.
- Component in self cleaning ovens where it can be incorporated into oven walls to prevent the collection of cooking residues.
- To make carbon arc lights used in studio lighting and projector lights
Sources:
Cerium is the most abundant rare-earths metal. It is found in a number of minerals, such as:
- *monazite
- *bastnasite
- certie
- samarskite
- allanite
History:
Ce
Cerium was the first rare earth element discovered in 1803 by Wilhelm von Hisinger, Jöns Jacob Berzelius, Martin Klaproth. It was named after the asteroid Ceres which discovered in 1801.
ATOMIC #: 58
ATOMIC WEIGHT: 140.116
PERIOD #: 6
GROUP #:NONE
Physcial Properties:
Cerium is a soft, ductile iron-grey metal. It has a solid physcial state
Melting Point: 798 C
Boiling Point: 3443 C
Chemical Properties:
This element tarnishes readily in the air, it oxidizes slowly in cold water and rapidly in hot water
Electrochemical Equivalent: 1.7426g/amp-hr
Electronegativity: 1.12 (Pauling)
Valence Electron Potential (-eV): 41.78