Gadolinium
Revision as of 07:07, 27 March 2012 by 216.121.196.252
| Gadolinium | |
|---|---|
| Gd | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 64 |
| Atomic mass: | 157.25 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 7.90 g/cm3 |
| melting point: | 1585K, 1312°C, 2394°F |
| boiling point: | 3546K, 3273°C, 5923°F |
| Sr ← Y → Zr | |
| Eu ← Gd → Tb | |
| Am ← Cm → Bk | |
| Atomic radius (pm): | 180 |
| Bohr radius (pm): | 233 |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3)105 |
| 1st ion potential (eV): | 6.15 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 25, 9, 2 | |
| Electronegativity: | 1.2 |
| Electron Affinity: | - |
| Oxidation states: | 3 |
| Magnetism: | Ferromagnetic |
| Crystal structure: | Hexagonal |
Gadolinium is a Lanthanide metal.
It has a Hexagonal crystalline structure.
This element has 6 stable isotopes: 154, 155, 156, 157, 158, and 160.
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