10
Ne
Neon
Neon
Neon (Ne)
Noble Gases · Gas · Period 2 · Group 18
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Element Properties
- Atomic Number
- 10
- Symbol
- Ne
- Atomic Mass
- 20.18
- Category
- Noble Gases
- Standard State
- Gas
- Period
- 2
- Group
- 18
- Electronegativity
- —
- Atomic Radius
- 154
- Ionization Energy
- 21.57
- Electron Affinity
- —
- Oxidation States
- 0
- Melting Point
- 24.56 K (-248.59 °C)
- Boiling Point
- 27.07 K (-246.08 °C)
- Density
- 0.0009
- Electron Configuration
- [He]2s2 2p6
- Year Discovered
- 1898
Frequently asked questions
What is the atomic number of Neon?
The atomic number of Neon is 10, which equals the number of protons in its nucleus.
What is the atomic mass of Neon?
The atomic mass of Neon is approximately 20.18 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Neon?
The electron configuration of Neon is [He]2s2 2p6.
Where is Neon in the periodic table?
Neon is located in period 2, group 18.
When was Neon discovered?
Neon was discovered in 1898.
Related elements
Same group
2
He
Helium
4.003
18
Ar
Argon
39.9
36
Kr
Krypton
83.8
54
Xe
Xenon
131.29
86
Rn
Radon
222.018
118
Og
Oganesson
295.216