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95 |
Am
| Americium
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| Atomic Weight: 243.0614 | Shells: 2,8,18,32,25,8,2
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| Group: Rare Earth | Filling orbital: 5f 7
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| Crystal Structure: Hexagonal | Covalent radius: ?
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| Oxidation States: +3, +4, +5, +6 | Atomic radius: 1.84 Å
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| Electronegativity, Pauling: 1.3 | Atomic volume: 17.86 cm³/mol
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| State at RT: Solid | First ionization potential: 5.993 V
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| Melting Point: 1267°K | 2nd ionization potential: ?
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| Boiling Point: 2880°K | 3rd ionization potential: ?
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| Density @ 293°K: 13.6 g/cm³ | Specific heat: 0.11 J/gK
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| Electrical conductivity: 0.022 106/cm ohm | Heat of vaporization: ?
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| Thermal conductivity: 0.1 W/cmK | Heat of fusion: 14.40 kJ/mol
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| Element Nuclides
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| Nuclide | Abundance | Weight | Spin | Half-Life | Decay Modes
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| Am240 | 0.% | 240. | 1.5 | 2.12d |  ,
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| Am241 | 0.% | 241.0568 | 2.5 | 432.7y |
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| Am242 | 0.% | 242. | 1 | 16.02h |  -,
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| Am242m | 0.% | 242. | 5 | 141y | IT,
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| Am243 | 0.% | 243.0614 | 2.5 | 7.37E03y |
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| Am244 | 0.% | 244. | 6 | 10.1h | -
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| Am245 | 0.% | 245. | 2.5 | 2.05h | -
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| Am246 | 0.% | 246. | 3.5 | 39m | -
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