Lithium
Block sPeriod 2Group 1solid at 20 °C
Configuration :[He] 2s¹
Atomic mass :6.94 u
Faites défiler pour activer le 3D
Modèle de Bohr · pédagogique
Electron configuration
Full1s² 2s¹
Short[He] 2s¹
Valence electrons1
KLMNOPQ shells
K2
L1
Electronegativity
Pauling0.98
Allen0.912
Mulliken (eV)—
Atomic radii
Empirical145 pm
Calculated167 pm
Covalent128 pm
Van der Waals182 pm
Ionic radii (Shannon-Prewitt)
+176 pm
Successive ionisation energies
I₁520.2 kJ/mol
I₂7298.1 kJ/mol
I₃11815 kJ/mol
Electron affinity59.6 kJ/mol
Oxidation states
+1
Bold states = most common.