Prasodimium

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'S e eileamaid cheimigeach a tha ann am prasodimium le samhla Pr agus àireamh atamach 59.

Prasodimium
Praseodymium.jpg
Prasodimium.
Clàr pillteach
HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBa*HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRa**RfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
*LaCePrNdPmSmEuGdTbDyHoErTmYbLu
**AcThPaUNpPuAmCmBkCfEsFmMdNoLr
Buadhan
SamhlaPr
Àireamh59
Ùine6
Blocaf
SeòrsaLantanach
Buadhan stuthach
DathAirgead-liath
Teothachd leaghaidh1208 K ​(935 °C, ​1715 °F)
Teothachd goilidh3403 K ​(3130 °C, ​5666 °F)
Buadhan atamach
Tomad atamach/Da140.90766(2)[1]
Comh-dhealbhadh atamach[Xe] 4f3 6s2
Cor ogsaideachaidh+2, +3, +4
1mh lùth aidheonachaidh/kJ mol–1527 kJ/mol
2mh lùth aidheonachaidh/kJ mol–11020 kJ/mol
3mh lùth aidheonachaidh/kJ mol–12086 kJ/mol

'S e meatailt bog agus lantanach a tha ann. Mar is trice tha co-thàthaidhean prasodimium uaine.

Eachdraidh

Ann an 1885 sgaraich Carl Auer von Welsbach prasodimium agus neodimium à didimium. Dh'ainmich e e prasodidimium, às a' fhacal Greugach πράσινος, "uaine".

Cleachdadh

Cleachdar prasodimium còmhla ri neodimium ann am magnatan is ann an glàinne didimium, agus ann an aloidhean còmhla ri magnesium airson itealain.

Iomraidhean

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

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