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CD School House 9.0 - Wayzata Technology (1994).iso
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cerium.asc
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1992-08-12
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409b
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14 lines
CERIUM
Atomic symbol - Ce
Atomic weight - 140.115
Atomic number - 58
Electron configuration - 2-8-18-20-8-2
Oxidation states - +3, +4
State of matter - solid
Heavy metal-brittle
Discovered in 1803 by Jöns Jacob Berzelius and Wilhelm Hisinger
Boils at 3257 °C, melts at 798 °C
Notes:
Cerium is an iron grayish color that is about as soft and ductile as tin.