Cerium: Difference between revisions
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imported>Milton Beychok m (Replaced infobox . Added info to infobox. Minor edit of the lede.) |
imported>Milton Beychok m (Minor correction) |
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{{Elem_Infobox | {{Elem_Infobox | ||
|elName=Cerium | |elName=Cerium | ||
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>10</sup> 4s<sup>2</sup>4p<sup>6</sup>4d<sup>10</sup> | |eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>10</sup>4s<sup>2</sup>4p<sup>6</sup>4d<sup>10</sup>5s<sup>2</sup>5p<sup>6</sup>4f<sup>1</sup>5d<sup>1</sup>6s<sup>2</sup> | ||
|no1= | |no1= | ||
|no2= | |no2= | ||
Revision as of 17:46, 27 April 2011
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Cerium is a chemical element, having the chemical symbol Ce. Its atomic number (the number of protons) is 58. It has a standard atomic weight of 140.116 g•mol −1 and is a solid in its elemental form.
Cerium is considered to be a member of the "Lanthanide" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 3,443 °C and a melting point of 778 °C.