Periodic Table · element

Francium

Fr · Z 87

atomic number: 87
atomic mass: 223
notation: Fr
group: 1: Lithium
period: 7
state0c: Solid
state20c: Solid
occurrence: From Decay
melting pt: 27
boiling pt: 677
discovered: 1939
abundance: 1e-18

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From the All Periodical Elements database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.