Symbol
Ne
Atomic Number
10
Atomic Mass
20.18
Protons
10
Neutrons
10
Electrons
10
Type
Noble Gas
Isotopes
Neon-20, Neon-21, Neon-22
Discovery Year
1898
Discovered By
William Ramsay
Group
18
Period
2
Boiling Point
-411°F
Melting Point
-415.5°F
Electron Configuration
[He] 2s² 2p⁶
Density (g/cm³)
0.0008999
Crystal Structure
Face-centered cubic
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.0018%
Phase at Room Temperature
Gas