Difference between revisions of "Holmium"
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{{Element | | {{Element | | ||
name=Holmium | | name=Holmium | | ||
| Line 11: | Line 12: | ||
series=Lanthanide | | series=Lanthanide | | ||
density=8.79 g/cm3 | | density=8.79 g/cm3 | | ||
| − | melts=1734K,<BR/> | + | melts=1734K,<BR/>1461°C,<BR/>2662°F | |
| − | boils=2993K,<BR/> | + | boils=2993K,<BR/>2720°C,<BR/>4928°F | |
isotopes=165 | | isotopes=165 | | ||
prior=[[Dysprosium|<FONT color="#7F7FFF">Dy</FONT>]] | | prior=[[Dysprosium|<FONT color="#7F7FFF">Dy</FONT>]] | | ||
Revision as of 16:54, 26 September 2007
olositt
| Holmium | |
|---|---|
| Ho | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 67 |
| Atomic mass: | 164.93032 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 8.79 g/cm3 |
| melting point: | 1734K, 1461°C, 2662°F |
| boiling point: | 2993K, 2720°C, 4928°F |
| Sr ← Y → Zr | |
| Dy ← Ho → Er | |
| Cf ← Es → Fm | |
| Atomic radius (pm): | 175 |
| Bohr radius (pm): | |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | - |
| 1st ion potential (eV): | 6.02 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f11 5s2 5p6 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 29, 8, 2 | |
| Electronegativity: | 1.23 |
| Electron Affinity: | - |
| Oxidation states: | 3 |
| Magnetism: | ? |
| Crystal structure: | Hexagonal |
Holmium is a Lanthanide metal.
It has a Hexagonal crystalline structure.
This element has a stable isotope of 165
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