Francium
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