'S e eileamaid cheimigeach a tha ann an arsnaig le samhla As agus àireamh atamach 33.

Arsnaig
Native arsenic.jpg
Arsnaig mar mhèinnear.
Clàr pillteach
HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBa*HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRa**RfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
*LaCePrNdPmSmEuGdTbDyHoErTmYbLu
**AcThPaUNpPuAmCmBkCfEsFmMdNoLr
Buadhan
SamhlaAs
Àireamh33
Buidheann15, pnìocoideanan
Ùine4
Blocap
SeòrsaMeataloighd
Buadhan stuthach
DathLiath, buidhe no dubh
Buadhan atamach
Tomad atamach/Da74.921595(6)[1]
Comh-dhealbhadh atamach[Ar] 3d10 4s2 4p3
Cor ogsaideachaidh+5, +3, +2, +1, −3
1mh lùth aidheonachaidh/kJ mol–11011.8 kJ mol−1
2mh lùth aidheonachaidh/kJ mol–11907 kJ mol−1
3mh lùth aidheonachaidh/kJ mol–12914.1 kJ mol−1

'S e metaloighd a tha innte. Tha i puinnseanach. Chan eil i a' leaghaidh no a' goilidh ach a' uile-deatachaidh aig 887 K ​(615 °C, ​1137 °F).

Eachdraidh

Ann an 1250 rinn Albertus Magnus arsnaig fhìor-ghlan, ach bha co-thàthaidhean arsnaig ainmeil mar phuinnseanan aig amannan Ròmanach.

Cleachdadh

Tha arsnaig air a chleachdadh mar phuinnsean meanbh-fhrìdean. Cleachdar arsnaig cuideachd, ann an gailium arsnagaid ann an leth-ghiùlanairean.

Iomraidhean

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

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