Difference between revisions of "Uranium"
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{{Element | | {{Element | | ||
name=Uranium | | name=Uranium | | ||
| Line 11: | Line 12: | ||
series=Actinide | | series=Actinide | | ||
density=19.1 g/cm3 | | density=19.1 g/cm3 | | ||
| − | melts=1405.3K,<BR/>1132. | + | melts=1405.3K,<BR/>1132.2°C,<BR/>2070°F | |
| − | boils=4404K,<BR/> | + | boils=4404K,<BR/>4131°C,<BR/>7468°F | |
isotopes=none | | isotopes=none | | ||
prior=[[Protactinium|<FONT color="#7F7FFF">Pa</FONT>]] | | prior=[[Protactinium|<FONT color="#7F7FFF">Pa</FONT>]] | | ||
Latest revision as of 05:51, 28 October 2007
| Uranium | |
|---|---|
| U | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 92 |
| Atomic mass: | 238.0289 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Actinide |
| density: | 19.1 g/cm3 |
| melting point: | 1405.3K, 1132.2°C, 2070°F |
| boiling point: | 4404K, 4131°C, 7468°F |
| Pr ← Nd → Pm | |
| Pa ← U → Np | |
| N/A ← N/A → N/A | |
| Atomic radius (pm): | 175 |
| Bohr radius (pm): | |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | 186 |
| ionic radius (pm): | (+6) 73 |
| 1st ion potential (eV): | 6.19 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f3 6s2 6p6 6d1 7s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 32, 21, 9, 2 | |
| Electronegativity: | 1.7 |
| Electron Affinity: | - |
| Oxidation states: | 6, 5, 4, 3 |
| Magnetism: | Paramagnetic |
| Crystal structure: | Orthohombic |
Uranium is a Actinide metal.
It has a Orthohombic crystalline structure.
This element has no stable isotopes.
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