10
Ne
20.18
Neon
Element 10 · 20.18 u · p-block
noble gas
A noble gas famous for its use in glowing signs. Produces a distinctive reddish-orange light in discharge tubes.
Phase (STP)
Gas
Melting Point
-248.59 °C
Boiling Point
-246.08 °C
Density
0.0008999 g/cm³
Electronegativity
—
Atomic Radius
38 pm
Ionization Energy
2081 kJ/mol
Electron Affinity
0 kJ/mol
Discovered
1898 · William Ramsay
Electron Configuration
[He] 2s2 2p6
Electron Orbitals
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