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Information valid for Ne-20 unless otherwise noted

Basic Information

Symbol: Ne
Atomic Number: 10
Mass: 20.1797
Melting Point: -248.6 C
Boiling Point: -246.1 C
Number of Protons/Electrons: 10
Number of Neutrons: 10
Classification: Noble Gas
Crystal Structure: Cubic
Density @ 293 K: 0.901 g/cm3
Color: colorless

Atomic Structure

[Bohr Model of Neon]
Number of Energy Levels: 2

  1. First Energy Level: 2
    Second Energy Level: 8


Isotope Half Life
Ne-20 Stable
Ne-21 Stable
Ne-22 Stable


Date of Discovery: 1898
Discoverer: Sir William Ramsey
Name Origin: Form the Greek word neos (new)
Uses: lighting
Obtained From: liquid air