Titaniummineral data
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Element

Francium

francium

FrSymbol
87Atomic number
223.0 uAtomic mass

Facts

Symbol
Fr
Atomic number
87
Atomic mass
223.0 u
Period
7
Group
1
Block
s
Melting point
300 °C
Discovered
1939

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q671