Strontium (Sr)

Refractory Metals | Atomic Number: 38

Basic Properties

Sr
38
87.62 g/mol
Element Category Refractory Metals
Atomic Number 38
Atomic Weight 87.62 g/mol
Crystal Structure Face-centered cubic (FCC)

Crystal Structure Visualization

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Description

Strontium is a soft, silvery metal that quickly oxidizes. It's used in pyrotechnics for crimson colors and in some medical applications.
Density 2.64 g/cm³
Tensile Strength N/A
Hardness Soft
Melting Point 777°C
Boiling Point 1382°C
Thermal Conductivity 35 W/(m·K)
Electrical Conductivity 7.3 × 10^6 S/m
Corrosion Resistance Moderate

Applications

Used in fireworks and magnets.

Production Methods

Extracted from celestine.

History

Known since the 18th century.