Neon (Ne)

Neon is a noble gas famously used in brightly glowing signs. It produces a distinctive reddish-orange light when electrically charged.

Neon gas discharge tube erupting with brilliant red-orange light
Video: Neon gas discharge tube erupting with brilliant red-orange light

Properties of Neon

Atomic number
10
Category
Noble Gas
Atomic mass
20.18 u
Electron configuration
[He] 2s² 2p⁶
Melting point
24.56 K (-248.59 °C)
Boiling point
27.1 K (-246.05 °C)
Density
0.0008999 g/cm³
Appearance
Colorless gas, reddish-orange glow in discharge
Discovered by
William Ramsay (1898)

Facts about Neon

  • Neon signs glow bright reddish-orange — other "neon" sign colors use different gases!
  • Neon is extremely rare on Earth but common in the universe!
  • Neon doesn't react with anything — it's one of the most chemically lazy elements!
  • The word "neon" comes from the Greek word for "new"!

Neon videos

Back to the periodic table · Neon on Wikipedia