Fr

FRANCIUM

Definition the heaviest of all alkali metals and most electopositive element

Discovery 1939 by marguerite perie of france

Group of Elements Alkali metals(Liquid)

Atomic Weight (223)

Oxidation State +1

Melting Point (27)

Boiling Point (677)

Density 2.4 g/cm3

Electronegativity 0.7