Curium
Curium General
| Name:Curium | Symbol:Cm |
| Type:Rare Earth, Actinides | Atomic weight:247 |
| Density @ 293 K:13.5 g/cm3 | Atomic volume:18.28 cm3/mol |
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Discovered:
1944 |
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Curium States
| State (s, l, g):solid | |
| Melting point:1613 K (1340 °C) | Boiling point:3373 K (3100 °C) |
Curium Energies
| Specific heat capacity: | Heat of atomization:kJ/mole atoms |
| Heat of fusion:15.0 kJ/mol | Heat of vaporization : |
| 1st ionization energy: 581 kJ/mole | 2nd ionization energy:kJ/mole |
| 3rd ionization energy:kJ/mole | Electron affinity:kJ/mole |
Curium Oxidation & Electrons
| Shells:2,8,18,32,25,9,2 | Electron configuration: [Rn] 5f7 6d1 7s2 |
| Minimum oxidation number: 0 | Maximum oxidation number:4 |
| Min. common oxidation no.: 0 | Max. common oxidation no.:3 |
| Electronegativity (Pauling Scale): 1.3 | Polarizability volume:23 Å3 |
Curium Appearance & Characteristics
| Structure:fcc: face-centered cubic | Color:silvery-white |
| Hardness:mohs | |
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Harmful effects:
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Characteristics:
Radioactive Uses: thermoelec. power, n source |
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Curium Reactions
| Reaction with air: | Reaction with 6 M HCl: |
| Reaction with 15 M HNO3: | Reaction with 6 M NaOH: |
Curium Compounds
| Oxide(s):CmO Cm2O3 CmO2 | Chloride(s):CmCl3 |
| Hydride(s):CmH2 |
Curium Radius
| Atomic radius:174 pm | Ionic radius (1+ ion):pm |
| Ionic radius (2+ ion):pm | Ionic radius (3+ ion):111 pm |
| Ionic radius (2- ion):pm | Ionic radius (1- ion):pm |
Curium Conductivity
| Thermal conductivity:J/m-sec-deg | Electrical conductivity:1/mohm-cm |
Curium Abundance & Isotopes
| Abundance earth's crust:log | |
| Abundance solar system:log | |
| Cost, pure:$ per 100g | |
| Cost, bulk:$ per 100g | |
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Source:
Synthetic |
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Isotopes:
0 |
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Curium Other
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Other:
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