NO. 010Noble Gas
Ne
Neon
Neon is a noble gas known for its bright reddish-orange glow in electric discharge tubes. It is chemically inert, colorless, and odorless. Neon is widely used in lighting, signage, lasers, and cryogenic applications due to its stability.
Technical Specifications
Atomic Mass20.18 u
Density0.0008999 g/cm³
Melting Point24.56 K
Boiling Point27.1 K
Atomic Radius38 pm
Electronegativity0
Ionization Energy2080 kJ/mol
Electron Affinity0 kJ/mol
Bonding TypeCovalent
Oxidation States0
Acid/BaseNeutral
ReactivityLow
Electron Configuration
[He] 2s2 2p6
Discovered ByWilliam Ramsay
Year1898
Known Isotopes
Neon-20Neon-21Neon-22