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Nihonium
Block pPeriod 7Group 13solid at 20 °C
Configuration :[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Atomic mass :286 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 Nihonium atom (symbol Nh, atomic number Z=113). Electron shell configuration: 2, 8, 18, 32, 32, 18, 3 electrons.
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Bohr model · educational
Electron configuration
Full[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Short[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹
Valence electrons3
KLMNOPQ shells
K2
L8
M18
N32
O32
P18
Q3
Electronegativity
Pauling—
Allen—
Mulliken (eV)—
Atomic radii
Empirical—
Calculated—
Covalent—
Van der Waals—
Successive ionisation energies
I₁704.9 kJ/mol
Electron affinity—
Oxidation states
-1+1+3+5
Bold states = most common.