Li

Lithium

Atomic Number 3 · Metal chunk in mineral oil

The lightest metal and least dense solid element. Key component in rechargeable batteries and mood-stabilizing medication.

Atomic Mass

6.941 u

Category

Alkali Metal

Phase (STP)

Solid

Density

0.534 g/cm³

Melting Point

180.54 °C

Boiling Point

1342 °C

Electronegativity

0.98 (Pauling)

Atomic Radius

145 pm

Electron Configuration

[He] 2s1

Discovered

1817 — Johan August Arfwedson

Find Lithium Samples

Sample form: Metal chunk in mineral oil

Luciteria Science

Premium element samples in acrylic cubes

Engineered Labs

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