To share this content with an AI assistant
10Ne20.1797
Neon
Noble gasesBlock pPeriod 2Group 18gas at 20 °C
Configuration :[He] 2s² 2p⁶
Atomic mass :20.1797 u
French :Néon
3D Bohr-model representation of the Neon atom (symbol Ne, atomic number Z=10). Electron shell configuration: 2, 8 electrons.
Scroll to activate 3D
Bohr model · educational
Electron configuration
Full1s² 2s² 2p⁶
Short[He] 2s² 2p⁶
Valence electrons8
KLMNOPQ shells
K2
L8
Electronegativity
Pauling—
Allen4.787
Mulliken (eV)—
Atomic radii
Empirical160 pm
Calculated38 pm
Covalent58 pm
Van der Waals154 pm
Successive ionisation energies
I₁2080.7 kJ/mol
I₂3952.3 kJ/mol
I₃6122 kJ/mol
I₄9371 kJ/mol
I₅12177 kJ/mol
Electron affinity—
Oxidation states
0
Bold states = most common.