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87 Fr

Francium

Alkali Metal
Atomic Mass
223 u
Density
1.87 g/cm³
Melting Point
27 °C
Boiling Point
677 °C
State
Solid
Discovery
1939

Discovery

Discovered by Marguerite Perey in 1939.

Common Uses

  • Francium has no significant commercial uses due to its extreme rarity and radioactivity.

Interesting Facts

  • Francium is one of the most unstable elements and the least stable of the alkali metals.
  • It is extremely rare, with only trace amounts found in nature.
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