Kùríọ̀m tabi Curium je apilese kemika alasopapo to ni ami-idamo Cm ati nomba atomu 96. Gege bi apilese teyinuraniom onide alagbararadio ti eseese aktinidi, kuriom nje mimuwaye nipa didigbolu plutonium pelu awon igbonwo alpha (awon ioni helium). O je sisoloruko fun Marie Skłodowska-Curie ati oko re Pierre.
Curium, 96CmCurium |
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Pípè | /ˈkjʊəriəm/ (KEWR-ee-əm) |
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Ìhànsójú | silvery |
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nọ́mbà ìsújọ | [247] |
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Curium ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 96 |
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Ẹgbẹ́ | group n/a |
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Àyè | àyè 7 |
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Àdìpọ̀ | Àdìpọ̀-f |
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Ẹ̀ka ẹ́límẹ́ntì | Actinide |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Rn] 5f7 6d1 7s2 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 32, 25, 9, 2 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid |
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Ìgbà ìyọ́ | 1613 K ({{{melting point C}}} °C, {{{melting point F}}} °F) |
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Ígbà ìhó | 3383 K ({{{boiling point C}}} °C, {{{boiling point F}}} °F) |
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Kíki (near r.t.) | 13.51 g/cm3 |
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Heat of fusion | ? 15 kJ/mol |
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pressure
P (Pa)
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1
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10
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100
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1 k
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10 k
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100 k
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at T (K)
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1788
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1982
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Atomic properties |
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Oxidation states | +3, +4, +5,[1] +6[2] Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 1.3 |
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Atomic radius | empirical: 174 pm |
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Covalent radius | 169±3 pm |
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Spectral lines of curium |
Other properties |
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Natural occurrence | synthetic |
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Crystal structure | hexagonal close-packed (hcp) |
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Magnetic ordering | no data |
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CAS Number | 7440-51-9 |
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Main isotopes of curium |
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Àdàkọ:Category-inline | references |
- ↑ Kovács, Attila; Dau, Phuong D.; Marçalo, Joaquim; Gibson, John K. (2018). "Pentavalent Curium, Berkelium, and Californium in Nitrate Complexes: Extending Actinide Chemistry and Oxidation States". Inorg. Chem. (American Chemical Society) 57 (15): 9453–9467. doi:10.1021/acs.inorgchem.8b01450. PMID 30040397.
- ↑ Domanov, V. P.; Lobanov, Yu. V. (October 2011). "Formation of volatile curium(VI) trioxide CmO3". Radiochemistry (SP MAIK Nauka/Interperiodica) 53 (5): 453–6. doi:10.1134/S1066362211050018.