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

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"!