Ne
Neon
Atomic number: 10Mass: 20.18 uCategory: Noble Gas
About Neon
Neon is a noble gas that glows a distinctive reddish-orange when used in gas-discharge lamps. It is produced by fractional distillation of liquid air. Neon is the fifth most abundant element in the universe.
Properties
Period
2
Group
18
Block
P
Category
Noble Gas
Electronegativity
N/A
Ionization Energy
2080.7 kJ/mol
Melting Point
25 K (-249°C)
Boiling Point
27 K (-246°C)
Density
0.900 g/L
Oxidation States
None
Electron Configuration
1s² 2s² 2p⁶
1s² 2s² 2p⁶
Shell 1:2e⁻
Shell 2:8e⁻
Real-World Uses
Neon signs
Cryogenic refrigerant
High-voltage indicators
Lasers
Television tubes
Fun Fact
Despite being famous for 'neon signs', most coloured signs actually use other gases — only the orange-red colour is true neon!