Element 10
Neon
Noble gases
Neon (Ne) is in the p-block of the periodic table — group 18, period 2.
Neon is a chemical element with symbol Ne and atomic number 10.
Key data
- Atomic number
- 10
- Atomic mass
- 20.180 u
- Group / Period
- 18 / 2
- Block
- p-block
- Phase at STP
- Gas
- Density
- 0.9002 g/cm³
- Melting point
- -248.6 °C
- Boiling point
- -246.0 °C
- Electron configuration
- [He] 2s2 2p6
Periodic table block
Neon is in the p-block (group 18, period 2). Elements land in the p-block when their highest-energy electrons fill a p subshell — this region holds most nonmetals, the metalloids, and the metals on the right of the table.
New to this? Periodic table blocks explained: s, p, d, and f
Common uses
- •Glowing red signage
- •Cryogenic refrigerant
- •Lasers
Discovery
Year: 1898
Discovered by: Morris Travers
Frequently asked questions
What is the atomic number of Neon?
Neon has atomic number 10. Its symbol is Ne and its atomic mass is 20.18 u.
What category of element is Neon?
Neon is classified as noble gases. It sits in group 18, period 2 of the periodic table.
What block of the periodic table is Neon in?
Neon is in the p-block (group 18, period 2). Its highest-energy electrons occupy the p subshell — you can see this in its electron configuration, [He] 2s2 2p6.
What is Neon used for?
Common uses of Neon include: Glowing red signage, Cryogenic refrigerant, Lasers.
When was Neon discovered?
Neon was discovered in 1898 by Morris Travers.
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