Difference between revisions of "Holmium"
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{{Element | | {{Element | | ||
name=Holmium | | name=Holmium | | ||
Line 12: | Line 11: | ||
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>]] | |
Latest revision as of 00:44, 28 September 2007
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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