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Neon @ Periodic Table of Chemical Elements

10

Ne

Neon

20.17976

2
8
Neon photo
PropertyValue
Atomic number10
Atomic weight20.17976 amu
Electronic configuration1s22s22p6
Stable and very long lived isotopes20Ne: 90.51%, 21Ne: 0.27%, 22Ne: 9.22%
Density 0.0008999 g/cm3 (STP)
Melting -248.447 °C
Boiling -246.1 °C
Covalent radius 0.69 Å
Van der Waals radius 1.54 Å
First ionization potential 21.564 eV
Electron affinity 0.301 eV
Sample compounds
Ne2
Periodict table
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