Argon (Ar) Fun Facts

18 Ar
Superhero Identity

"Captain Inert, the laziest of heroes, who refuses to react and protects hot-headed filaments in lightbulbs."

The true essence of Argon (Ar) on the molecular frontier.

Appearance

A colorless, odorless, tasteless inert gas.

Everyday Connection

The gas inside an old-fashioned incandescent light bulb.

In Pop Culture

Used to create the blue light of the laser swords in the movie 'Tron'.

Did You Know?

1

Its name comes from the Greek word 'argos', meaning 'lazy' or 'inactive', due to its chemical inertness.

2

It is the third-most abundant gas in Earth's atmosphere, after nitrogen and oxygen.

3

Incandescent light bulbs are filled with argon to prevent the hot tungsten filament from burning out.

4

Double-paned windows often have argon gas sealed between the panes to act as a thermal insulator.

5

Argon is used to create the blue and green light in some lasers.