10
Ne
Noble gas

Neon

Atomic number 10 · Period 2 · Block P

Ne · Neon
Mendeleev.com

Understanding the element

Neon (Ne) is chemical element 10. It belongs to the noble gases, and its reference state at room temperature is a gas. Those basic facts are a useful starting point for its chemistry and applications.

Where do we encounter it?

In practice, it turns up most often in lighting, lasers and cryogenics.

lightinglaserscryogenics
Standard atomic weight20.1797(6)

What its position in the table tells us

Neon sits in period 2, group 18 and the P block. That location is useful because neighbouring elements often share trends in valence electrons, oxidation states and bonding behaviour.

Worth remembering
Neon has a characteristic place in the periodic table that helps explain both its chemistry and its practical uses

Scientific sources

Element identity
Atomic number10
Group18
Period2
BlockP
CategoryNoble gas
PhaseGas