Copernicium
Block dPeriod 7Group 12unknown at 20 °C
Configuration :[Rn] 5f¹⁴ 6d¹⁰ 7s²
Atomic mass :285 u
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Modèle de Bohr · pédagogique
Electron configuration
Full[Rn] 5f¹⁴ 6d¹⁰ 7s²
Short[Rn] 5f¹⁴ 6d¹⁰ 7s²
Valence electrons12
KLMNOPQ shells
K2
L8
M18
N32
O32
P18
Q2
Electronegativity
Pauling—
Allen—
Mulliken (eV)—
Atomic radii
Empirical—
Calculated—
Covalent—
Van der Waals—
Successive ionisation energies
I₁1155 kJ/mol
Electron affinity—
Oxidation states
0+1+2+4
Bold states = most common.