Neon (Ne) — Element 10: Properties & Data | Aladdin Scientific
Neon(Ne) — Element 10
Neon (Ne) is a noble gas with atomic number 10 and atomic mass 20.18. It has melting point 24.56 K (-249 °C), boiling point 27.07 K (-246 °C), density 0.0008999 g/cm³. It sits in group 18 and period 2 of the periodic table and was discovered in 1898.
Key facts
| Atomic mass | 20.1800 u |
|---|---|
| Electron configuration | [He]2s2 2p6 |
| Atomic radius (van der Waals) | 154 pm |
| Ionization energy | 21.565 eV |
| Melting point | 24.56 K |
| Boiling point | 27.07 K |
| Density | 0.0008999 g/cm³ |
| Standard state | Gas |
| Year discovered | 1898 |
Frequently asked questions
What is the electron configuration of neon?
The ground-state electron configuration of neon is [He]2s2 2p6.
What group and period is neon in?
Neon (Ne) is in group 18 and period 2 of the periodic table, classified as a noble gas.
What is the melting point of neon?
Neon melts at 24.56 K (-249 °C).
What is the standard state of neon?
Neon is a gas at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .