Periodic table of elements

87 - Francium [Fr]

87: Francium - Francium [Fr]
Group: 1
Period: 7
Atomic number: 87
Atomic mass: 223
Configuration: [Rn] 7s1
Covalent radius: 260 pm
Ionization energy: 4.0727 eV
Electronic term: 2S1/2
Electronegativity: 0.7

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