Cerium Meaning and Definition in Dictionary
Definitions from Wordnet 2.0
- a ductile gray metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
Definitions from Wiktionary
- a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
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Cerium Meaning and Definition in Wikipedia
Cerium is a chemical element with an atomic number of 58. This means that the nucleus of Cerium has 58 protons in it. The atomic mass of Cerium is 140.12. The Chemical symbol of Cerium is Ce and it is a member of the Lanthanide group.
Cerium is a grey, shiny or lustrous metal. At room temperature Cerium is a solid. It melts and becomes a liquid at 798oC and boils and becomes a gas at 3424oC. It burns in air to form a compound with one cerium atom and two oxygen atoms. 0.0046% of the Earth's crust is Cerium which means that it is quite common - more common than Tin and Lead and nearly as common as zinc