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

Argon

Angstrom	Nanometers	Color	Hertz	Note	Hertz
9122.967	912	Infrared	298.84	D4	293.665
8115.31	811		335.98
8103.69	810		336.46	D#4	311.127
8014.78	804		340.2
8006.15	800		340.56
7948.17	794		343.05	F4	349.228
7635.106	763	Red	357.11
7503.869	750		363.36	F#4	369.994
7067.218	706		385.81
6965.431	696		391.45	G4	391.995
4879.864	487	Blue	558.74	C#5	554.365
4806.02	480		567.33
4726.84	472		572.23
4764.865	476		576.83
4609.567	460	Violet	591.49	D5	587.33
4348.064	434		627.08
4277.528	427		637.42	D#5	622.254

Colors and Tones: Below is the spectrum of Argon

Infrared tones

Red Tones

Blue Tones

 

Violet Tones

See the Post called Tones of Argon for more information.