Difference between revisions of "Curium"
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Latest revision as of 07:49, 11 November 2007
| Curium | |
|---|---|
| Cm | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 96 |
| Atomic mass: | [247] |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Actinide |
| density: | 13.51 g/cm3 |
| melting point: | 1613K, 1340°C, 2444°F |
| boiling point: | 3383K, 3110°C, 5630°F |
| Eu ← Gd → Tb | |
| Am ← Cm → Bk | |
| N/A ← N/A → N/A | |
| Atomic radius (pm): | |
| Bohr radius (pm): | |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3) 97 |
| 1st ion potential (eV): | 6.02 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f7 6s2 6p6 6d1 7s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 32, 25, 9, 2 | |
| Electronegativity: | 1.3 |
| Electron Affinity: | - |
| Oxidation states: | 3 |
| Magnetism: | ? |
| Crystal structure: | Hexagonal |
Curium is a Actinide metal.
It has a Hexagonal crystalline structure.
It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 247.
This element has no stable isotopes.
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