99Es252
Einsteinium
ActinidesBlock fPeriod 7solid at 20 °C
Configuration :[Rn] 5f¹¹ 7s²
Atomic mass :252 u
Faites défiler pour activer le 3D
Modèle de Bohr · pédagogique
Electron configuration
Full[Rn] 5f¹¹ 7s²
Short[Rn] 5f¹¹ 7s²
Valence electrons13
KLMNOPQ shells
K2
L8
M18
N32
O29
P8
Q2
Electronegativity
Pauling1.3
Allen—
Mulliken (eV)—
Atomic radii
Empirical186 pm
Calculated—
Covalent—
Van der Waals—
Successive ionisation energies
I₁619 kJ/mol
Electron affinity—
Oxidation states
+2+3+4
Bold states = most common.