Discovered
1803Density
6.8 g/cm3Melts
798 °C
- 1468 °F
- 1071 °K
Boils
3433 °C
- 6211 °F
- 3706 °K
Contributed by @plazmatter0430
Heavily oxidized pieces of Cerium metal in a bottle
Contributed by collector no. 3
The first four elements of the F-block: Lanthanum , Cerium , Praseodymium , and Neodymium
Contributed by collector no. 3
Small shiny chunks of brassy Cerium metal in an ampoule, which itself is in a small bottle. Cerium is a rare-earth metal and should not be confused with the alkali metal Caesium .
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