The periodic Table
coloured by Discovery
coloured by States
Constants, Astronomy
Constants, Physics
SI Units
by Peder Axensten

Pt


in WebElements
in X-Ray info 		Pt, 78
platinum (English)
platine, m. (French)
Platin, n. (German)
platina (Russian)
platina (Swedish)

Symbol, numberPt, 78 (metal), Group: 10; 8B
Weight195.08
In Nature
Discovered1400
Density  [kg/m3]21450 [293 K] (solid)   
Molar volume9.10 cm3
Melting Temperature2045 K   (1772 °C)   Enthalpy: 510.5 kJ/mol
Boiling Temperature4100 K   (3827 °C)   Enthalpy: 19.7 kJ/mol
Electrical resistance10.6E-8 [293 K] Wm
ThermalConductivity: 71.6 [300 K] W/Km     Expansion: 9.0E-6 /K
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State DfH° DfG° S° CpH H°298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay