Neon (Ne)

Neon is a chemical element with symbol Ne and atomic number 10. It is a noble gas, colorless, odorless, inert monatomic gas under standard conditions.

Atomic Number

10

Atomic Mass

20.18 u

Category

noble gas

Phase

gas

Density

0.0008999 g/cm³

Electron Shells

2, 8

Atomic Structure

Protons: 10 • Electrons: 10 • Neutrons: Varies by isotope

Electron Configuration: 1s² 2s² 2p⁶

Discovery

1898 • Morris Travers, William Ramsay