Property | Value |
---|---|
Atomic number | 10 |
Atomic weight | 20.17976 amu |
Element family | Nobel gases |
Electronic configuration | 1s2 |
Stable and very long lived isotopes | 20Ne: 90.51%, 21Ne: 0.27%, 22Ne: 9.22% |
Previous element | Fluorine |
Next element | Sodium |
Density | 0.0008999 g/cm3 (STP) |
Melting | -248.447 °C |
Boiling | -246.1 °C |
Covalent radius | 0.67 Å |
Van der Waals radius | 1.54 Å |
First ionization potential | 21.564 eV |
Electron affinity | -1.200 eV |
Discovery year | 1898 |
Sample compounds |
---|
Ne2 |
Neon is an element number 10 from nobel gases family. Its symbol is Ne. Neon atomic weight is 20.17976 amu. Ne stable and long lived isotopes are 20Ne: 90.51%, 21Ne: 0.27%, 22Ne: 9.22%. Neon electronic configuration is 1s22s22p6. Sample compounds that contain Neon are Ne2.
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