Samarium
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'S e eileamaid cheimigeach a tha ann an samarium le samhla Sm agus àireamh atamach 62.
| Samarium | |
|---|---|
 | |
| Samarium. | |
| Buadhan | |
| Samhla | Sm |
| Àireamh | 62 |
| Ùine | 6 |
| Bloca | f |
| Seòrsa | Lantanach |
| Buadhan stuthach | |
| Dath | Airgead-gheal |
| Teothachd leaghaidh | 1345 K (1072 °C, 1962 °F) |
| Teothachd goilidh | 2173 K (1900 °C, 3452 °F) |
| Buadhan atamach | |
| Tomad atamach/Da | 144.242(3)[1] |
| Comh-dhealbhadh atamach | [Xe] 4f6 6s2 |
| Cor ogsaideachaidh | +1, +2, +3, +4 |
| 1mh lùth aidheonachaidh/kJ mol–1 | 544.5 kJ/mol |
| 2mh lùth aidheonachaidh/kJ mol–1 | 1070 kJ/mol |
| 3mh lùth aidheonachaidh/kJ mol–1 | 2260 kJ/mol |
Eachdraidh
Ann an 1879 lorg Paul-Émile Lecoq de Boisbaudran samarium ann an samarskit agus dh'ainmich e e air am mèinnear seo.
Cleachdadh
Cleachdar samarium ann am magnatan maireannach còmhla ri còbalt.
Cleachdar samarium dà-aidheodaid ann an co-chur fàs-bheartach agus 's stuth-catailis a tha ann samarium trioflaid (Sm(CF3SO3)3)).
Iomraidhean
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