PERIODIC TABLE

Strontium

Atomic No. 38 Sr Strontium

About Strontium

Strontium is an alkaline earth metal with atomic number 38 that generally forms compounds in the +2 oxidation state. Its compounds are used in permanent magnets, dielectric ceramics and phosphors, with strontium aluminate providing persistent luminescence when appropriately activated. Strontium gallium sulfide, also called strontium thiogallate, is another phosphor host whose europium activated compositions produce green emission for luminescent materials and display research.

Properties

Atomic Number
38
Atomic Symbol
Sr
Atomic Mass
87.62
CAS No.
7440-24-6
Density
2.63 g/cm³
Series
alkaline earth metal
Melting Point
777°C
Boiling Point
1,382°C
Thermal Conductivity
0.35 W/cm °C
Heat of Fusion
8 kJ/mol
Heat of Vaporization
137 kJ/mol
Electronegativity
0.95 pauling
Crystal Structure
Cubic
Electrical Conductivity
7.7×106 S/m

Strontium Products

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