NEON Many gases glow when an electric current is passed through an evacuated tube containing the gas. For neon, this is a characteristic red-orange glow.

Atomic Number: 10
Mass Number: 20.1797
Electron Configuration: 1s²2s²2p⁶
Melting Point: -248.7^oC
Boiling Point: -246.0^oC
First Ionization Energy: 2081 kJ/mol
Atomic Radius: 50 pm