Francium: Difference between revisions
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Revision as of 22:34, 10 May 2010
Francium is a chemical element, having the chemical symbol Fr.
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Its atomic number (the number of protons) is 87. It has a Standard Atomic Weight of (223), and is typically found as a solid in its elemental form.
Francium is considered to be a member of the "Alkali metal" class of elements, has a boiling point of 677 °C, and a melting point of 27 °C.