Argon is the 18th element and is a Noble Gas and is inert, reacting very rarely with other elements.

Argon

AngstromNanometersColorHertzNoteHertz
9122.967912Infrared298.84D4293.665
8115.31811335.98
8103.69810336.46D#4311.127
8014.78804340.2
8006.15800340.56
7948.17794343.05F4349.228
7635.106763Red357.11
7503.869750363.36F#4369.994
7067.218706385.81
6965.431696391.45G4391.995
4879.864487Blue558.74C#5554.365
4806.02480567.33
4726.84472572.23
4764.865476576.83
4609.567460Violet591.49D5587.33
4348.064434627.08
4277.528427637.42D#5622.254

Colors and Tones: Below is the spectrum of Argon

Ar_18_spectrum

Infrared tones

Red Tones

Blue Tones

 

Violet Tones

See the Post called Tones of Argon for more information.