Cerium

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'S e eileamaid cheimigeach a tha ann an cerium le samhla Ce agus àireamh atamach 58. 'S e meatailt bog agus lantanach a tha ann.

Cerium
Cerium2.jpg
Cerium.
Clàr pillteach
HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBa*HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRa**RfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
*LaCePrNdPmSmEuGdTbDyHoErTmYbLu
**AcThPaUNpPuAmCmBkCfEsFmMdNoLr
Buadhan
SamhlaCe
Àireamh58
Ùine6
Blocaf
SeòrsaLantanach
Buadhan stuthach
DathAirgead-liath
Teothachd leaghaidh1068 K ​(795 °C, ​1463 °F)
Teothachd goilidh3716 K ​(3443 °C, ​6229 °F)
Buadhan atamach
Tomad atamach/Da140.116(1)[1]
Comh-dhealbhadh atamach[Xe] 4f1 5d1 6s2
Cor ogsaideachaidh+1, +2, +3, +4
1mh lùth aidheonachaidh/kJ mol–1534.4 kJ/mol
2mh lùth aidheonachaidh/kJ mol–11050 kJ/mol
3mh lùth aidheonachaidh/kJ mol–11949 kJ/mol

Eachdraidh

Lorg Jöns Jacob Berzelius agus Wilhelm Hisinger anns an t-Suain agus Martin Heinrich Klaproth anns a' Ghearmailt cerium ann an 1803.Dh'ainmich Berzelius e air Ceres, am fo-phlanaid a lorgadh ann an 1801.Rinn Carl Gustav Mosander cerium fìor-ghlan ann an 1825 nuair a rinn e iom-obrachadh le cerium agus sodium.

Cleachdadh

Cleachdar ferrocerium, aloidh cerium, ann an lasadairean. Cleachdar e cuideachd ann an stàilinn agus iarann mòlltaichte.

Iomraidhean

  1. http://www.ciaaw.org/atomic-weights.htm

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