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Po
in WebElements
in X-Ray info
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Po, 84
polonium (English)
polonium, m. (French)
Polonium, n. (German)
polonij (Russian)
polonium (Swedish)
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| Symbol, number | Po, 84 (semiconductor), Group: 16; 6A |
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| Weight | 209 |
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| In Nature | |
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| Discovered | 1898, by Marie Curie (France) |
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| Density [kg/m3] | 9320a [293 K] (solid) |
| Molar volume | 22.4 cm3 |
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| Melting Temperature | 527 K (254 °C) Enthalpy: 100.8 kJ/mol |
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| Boiling Temperature | 1235 K (962 °C) Enthalpy: 10 kJ/mol |
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| Electrical resistance | 140E-8 [293 K] Wm |
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| Thermal | Conductivity: 20 [300 K] W/Km Expansion: 23.0E-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 |
| [kJ/mol] |
[J/Kmol] |
[kJ/mol] |
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| Isotopes |
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Mass |
In nature |
Half-life |
Spin |
m/mN |
NMM |
Decay |
| Po |
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