Francium

Fr
Francium
Alkali Metal

 

Atomic number:
 87
Atomic weight:
 (223.0197)
Shells:
 2,8,18,32,18,8,1
Orbitals:
 [Rn] 7s1
Melting point:
 27°C
Boiling point:
 677°C
Covalent radius:
 --
Å
Atomic volume:
 --
cm³/mol
Atomic radius:
 --
Å
Ionic radius:
 --
Å
Electronegativity:
 0.7
Oxidation states:
 
1st ionization pot.:
 --
V
2nd ionization pot.:
 --
V
3rd ionization pot.:
 --
V
Specific heat:
 --
J/gK
Heat of fusion:
 --
kJ/mol
Heat of vapor.:
 --
kJ/mol
Thermal conduct.:
 0.15
W/cmK
Electrical conduct.:
 0.03
10^6/cm ohm
Density:
 --
g/cm³
Valence:
 1