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Seaborgium
Block dPeriod 7Group 6solid at 20 °C
Configuration :[Rn] 5f¹⁴ 6d⁴ 7s²
Atomic mass :269 u
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Predicted propertiesMany physical properties of this element are theoretical calculated values, not experimental measurements. Transactinides (Z ≥ 104) are only synthesized as a few atoms with very short half-lives. Source: IUPAC 2021.
3D Bohr-model representation of the Seaborgium atom (symbol Sg, atomic number Z=106). Electron shell configuration: 2, 8, 18, 32, 32, 12, 2 electrons.
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Bohr model · educational
Electron configuration
Full[Rn] 5f¹⁴ 6d⁴ 7s²
Short[Rn] 5f¹⁴ 6d⁴ 7s²
Valence electrons6
KLMNOPQ shells
K2
L8
M18
N32
O32
P12
Q2
Electronegativity
Pauling—
Allen—
Mulliken (eV)—
Atomic radii
Empirical—
Calculated—
Covalent—
Van der Waals—
Successive ionisation energies
I₁730 kJ/mol
Electron affinity—
Oxidation states
+3+4+5+6
Bold states = most common.