Periodic Table -> Francium

Francium

Francium Details

Francium Symbol: Fr

Francium Atomic Number: 87

Francium Atomic Weight: (223)

What is Francium?
Radioactive element, belongs to group 1 of the periodic table. Found in uranium and thorium ores. The 22 known isotopes are all radioactive, with the most stable being Fr-223. Its existence was confirmed in 1939 by Marguerite Perey.

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