Cesium

Atom properties


Radii


Van der Waals atomic radius (pm): 343 [12]
Empirical atomic radius (pm): 260 [12]
Covalent atomic radius (pm): 244(11) [12]
Ionic radius (Å): Cs(I): 1.67 [1]


Electronegativity


Pauling Scale: 0.79 [12]
Allen Scale: 0.659 [12]


Electron binding forces


Electron Affinity (eV): 0.472 [12]
Ionization Energy (eV): 3.894 [12]


Electron configuration


Ground state: 1s2-2s2-2p6-3s2-3p6-3d10-4s2-4p6-4d10-5s2-5p6-6s1 [12]