10
Ne
20.18
Neon (Ne)
Element 10 · Period 2 · Group 18
noble-gas
gas at room temp
p-block
About Neon
Noble gas best known for its use in illuminated signs.
Physical Properties
Atomic Mass
20.18 u
State at 25°C
Gas
Melting Point
-248.6 °C
Boiling Point
-246.08 °C
Density
0.0009 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[He] 2s² 2p⁶
Electron Shells
2, 8
Atomic Radius
38 pm
Ionization Energy
2081 kJ/mol
Oxidation States
0
Discovery & History
Discovered By
William Ramsay
Discovery Year
1898
Named By
William Ramsay
Name origin: Greek: neos (new)
Frequently Asked Questions
- Is Neon a metal, nonmetal, or metalloid?
- Neon is classified as a noble-gas.
- What state is Neon in at room temperature?
- Neon is a gas at standard room temperature (25°C).
- What is the atomic mass of Neon?
- Neon has an atomic mass of 20.18 atomic mass units (u).
- Who discovered Neon?
- Neon was discovered by William Ramsay in 1898.
- Where is Neon on the periodic table?
- Neon is element number 10, located in period 2 and group 18.