Francium, on periodic table of the elements. Radioactive alkali metal, with symbol Fr, named after France, with atomic number 87.

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Francium, on periodic table of the elements. Radioactive alkali metal, with symbol Fr, named after France, with atomic number 87. Because of its instability and rarity only used for research purposes.

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Size: 9000px × 6000px
Photo credit: © Peter Hermes Furian / Alamy / Afripics
License: Royalty Free
Model Released: No

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