10 Ne
Noble gas
Neon
Glows red-orange in discharge tubes.
Properties of Neon
- Atomic number (Z)
- 10
- Symbol
- Ne
- Atomic mass
- 20.18 g/mol
- Category
- Noble gas
- Group
- 18
- Period
- 2
- Electron configuration
- [He] 2s² 2p⁶
- Electronegativity (Pauling)
- —
- Atomic radius
- 38 pm
- First ionization energy
- 2081 kJ/mol
- Melting point
- 24.56 K (-248.6 °C)
- Boiling point
- 27.07 K (-246.1 °C)
- Density
- 0.0008999 g/cm³
- Phase at 25 °C
- Gas
- Discovered
- Discovered in 1898
Frequently asked questions
What is Neon?
Neon (Ne) is a noble gas, element number 10 on the periodic table. Glows red-orange in discharge tubes.
What is the atomic number and atomic mass of Neon?
Neon has atomic number 10 and an atomic mass of about 20.18 g/mol.
What is the electron configuration of Neon?
The electron configuration of Neon is [He] 2s² 2p⁶.
Where is Neon on the periodic table?
Neon sits in group 18, period 2, and is classified as a noble gas.