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.
Quick facts Curium, Pípè ...
Curium, 96Cm| Curium |
|---|
| Pípè | /ˈkjʊəriəm/ (KEWR-ee-əm) |
|---|
| Ìhànsójú | silvery |
|---|
| nọ́mbà ìsújọ | [247] |
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| Curium ní orí tábìlì àyè |
|---|
|
|
| Nọ́mbà átọ̀mù (Z) | 96 |
|---|
| Ẹgbẹ́ | group n/a |
|---|
| 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 |
|---|
| 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) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
1788 |
1982 |
|
|
|
|
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| Atomic properties |
|---|
| 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 |
|---|
Color lines in a spectral rangeSpectral lines of curium |
| Other properties |
|---|
| 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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| Isotope |
Abundance |
Half-life (t1/2) |
Decay mode |
Product |
| 242Cm |
syn |
160 days |
SF |
- |
- |
| α |
6.1 |
238Pu |
| 243Cm |
syn |
29.1 y |
α |
6.169 |
239Pu |
| ε |
0.009 |
243Am |
| SF |
- |
- |
| 244Cm |
syn |
18.1 y |
SF |
- |
- |
| α |
5.902 |
240Pu |
| 245Cm |
syn |
8500 y |
SF |
- |
- |
| α |
5.623 |
241Pu |
| 246Cm |
syn |
4730 y |
α |
5.475 |
242Pu |
| SF |
- |
- |
| 247Cm |
syn |
1.56×107 y |
α |
5.353 |
243Pu |
| 248Cm |
syn |
3.40×105 y |
α |
5.162 |
244Pu |
| SF |
- |
- |
| 250Cm |
syn |
9000 y |
SF |
- |
- |
| α |
5.169 |
246Pu |
| β− |
0.037 |
250Bk |
|
Àdàkọ:Category-inline | references |
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