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

Kr


in WebElements
in X-Ray info 		Kr, 36
krypton (English)
krypton, m. (French)
Krypton, n. (German)
kripton (Russian)
krypton (Swedish)

Symbol, numberKr, 36 (noble gas), Group: 18; 8A
Weight83.80
In Nature
Discovered1898, by William Ramsay and Morris W. Travers (England)
Density  [kg/m3]2823 [117 K] (solid)   2413 [121 K] (liquid)   3.7493 [273 K] (gas)   
Molar volume29.68 [116 K] cm3
Melting Temperature116.6 K   (-156.4 °C)   Enthalpy: 9.05 kJ/mol
Boiling Temperature120.85 K   (-152.15 °C)   Enthalpy: 1.64 kJ/mol
ThermalConductivity: 9.49E-3 [300 K] (gas) W/Km     
Configuration1s2 2s2p6 3s2p6d10 4s2p6
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
Kr