Scandium (21) is the 21st element. See the post- The Tones of Scandium, for a description of the element.

 

Scandium

AngstromNanometersColorHertzNoteHertz
4082.387408violet333.95E4329.628
4054.544405violet336.24
4023.678402violet338.82
4020.387402violet339.1
3996.601399violet341.11
3933.375393violet346.6
3911.812391violet348.51F4349.228
3907.484390violet348.89
3273.628327ultraviolet416.45G#4/A_4415.305
3269.9326ultraviolet416.92

 

Scandium has all of its colors in the violet and ultraviolet range. The highest tone in this set is ultraviolet.

Sc_violet

 

 

 

 

Scandium Scale

 

Scandium Improv