_files/ne.jpeg){kind=small}
Basic Information
Name: Neon
Symbol: Ne
Atomic Number: 10
Atomic Mass: 20.1797 amu
Melting Point: -248.6 °C (24.549994 °K, -415.48 °F)
Boiling Point: -246.1 °C (27.049994 °K, -410.98 °F)
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]](Chemical Elements_com - Neon (Ne)_files/b0010.gif) |
Number of Energy Levels: 2 First Energy Level: 2 Second Energy Level: 8 |
Isotopes
| Isotope | Half Life |
| Ne-20 | Stable |
| Ne-21 | Stable |
| Ne-22 | Stable |
Facts
Date of Discovery: 1898
Discoverer: Sir William Ramsey
Name Origin: Form the Greek word neos (new)
Uses: lighting
Obtained From: liquid air