Francium Fr (Element 87) of Periodic Table
87 Fr (Francium) Appearance:Â An intensely radioactive metal. Mass number:Â 223 Atomic weight:Â 223.0197 g/mol Atomic number (Z):Â […]
Francium Fr (Element 87) of Periodic Table Read More »
87 Fr (Francium) Appearance:Â An intensely radioactive metal. Mass number:Â 223 Atomic weight:Â 223.0197 g/mol Atomic number (Z):Â […]
Francium Fr (Element 87) of Periodic Table Read More »