Francium

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Francium
Name Francium
Symbol Fr
Atomic number 87
Atomic mass 223 amu
Normal state Solid
Classification Alkali Metals
Crystal structure Cubic Body Centered
Color Metallic
Date of discovery 1939
Name of discoverer Marguerite Perey
Name origin Named after France.
Uses None.
Obtained from Not commercially available, it is formed by the decay of actinium.
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