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Ho
in WebElements
in X-Ray info
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Ho, 67
holmium (English)
holmium, m. (French)
Holmium, n. (German)
gol'mij (Russian)
holmio??? (Spanish)
holmium (Swedish)
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| Symbol, number | Ho, 67 (metal) |
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| Weight | 164.93032 |
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| In Nature | |
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| Discovered | 1878, by Jacques-Louis Soret, Marc Delafontaine och P.T. Cleve (Switzerland, Sweden) |
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| Density [kg/m3] | 8795 [298 K] (solid) |
| Molar volume | 18.75 cm3 |
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| Melting Temperature | 1747 K (1474 °C) Enthalpy: 251.0 kJ/mol |
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| Boiling Temperature | 2968 K (2695 °C) Enthalpy: 17.2 kJ/mol |
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| Electrical resistance | 87E-8 [298 K] Wm |
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| Thermal | Conductivity: 16.2 [300 K] W/Km Expansion: 9.5E-6 /K |
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| Ionisation [kJ/mol] |
| M--> |
M+--> |
M2+--> |
M3+--> |
M4+--> |
M5+--> |
M6+--> |
M7+--> |
M8+--> |
M9+-->M10+ |
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| Thermodynamics |
| State |
DfH° |
DfG° |
S° |
CpH |
H°298.15-H°0 |
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[J/Kmol] |
[kJ/mol] |
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| Isotopes |
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Mass |
In nature |
Half-life |
Spin |
m/mN |
NMM |
Decay |
| Ho |
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