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

Sr


in WebElements
in X-Ray info
Sr, 38
strontium (English)
strontium, m. (French)
Strontium, n. (German)
strontsij (Russian)
strontium (Swedish)


Symbol, numberSr, 38 (alkaline earth metal), Group: 2; 2A
Weight87.62
In Nature
Discovered1808, by Sir Humphry Davy (England)
Density  [kg/m3]2540 [293 K] (solid)   2375 [1042 K] (liquid)   
Molar volume34.50 cm3
Melting Temperature1042 K   (769 °C)   Enthalpy: 138.91 kJ/mol
Boiling Temperature1657 K   (1384 °C)   Enthalpy: 9.16 kJ/mol
Electrical resistance23.0E-8 [293 K] Wm
ThermalConductivity: 35.3 [300 K] W/Km     Expansion: 23E-6 /K
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State Df Df CpH 298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Sr