Sodium (Na)

Alkali Metals | Atomic Number: 11

Basic Properties

Na
11
22.990 g/mol
Element Category Alkali Metals
Atomic Number 11
Atomic Weight 22.990 g/mol
Crystal Structure Body-centered cubic (BCC)

Crystal Structure Visualization

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Description

Sodium is a soft, silvery-white, highly reactive metal. It's essential for biological processes and used in sodium vapor lamps.
Density 0.968 g/cm³
Tensile Strength N/A
Hardness Soft
Melting Point 97.8°C
Boiling Point 883°C
Thermal Conductivity 141 W/(m·K)
Electrical Conductivity 2.1 × 10^7 S/m
Corrosion Resistance Very Low

Applications

Used in street lights and chemical production.

Production Methods

Extracted from salt.

History

Discovered in 1807.