Chromium

Atom properties
Content created by REAL intelligence since 2016


Radii


Van der Waals atomic radius (pm): 189 [9]
Empirical atomic radius (pm): 140 [9]
Covalent atomic radius (pm): 139(5) [9]
Ionic radius (Å): Cr(VI): 0.44 (6-coordinate) [1]
Cr(V): 0.49 (6-coordinate) [1]
Cr(IV): 0.55 (6-coordinate) [1]
Cr(III): 0.615 (6-coordinate) [1]
Cr(II): 0.73 (6-coordinate, low-spin) [1]
Cr(II): 0.80 (6-coordinate, high-spin) [1]


Electronegativity


Pauling Scale: 1.66 [9]
Allen Scale: 1.65 [9]


Electron binding forces


Electron Affinity (eV): 0.666 [9]
Ionization Energy (eV): 6.767 [9]


Electron configuration


Ground state: 1s2-2s2-2p6-3s2-3p6-3d5-4s1 [9]