Iodine (I) in plasma
Iodine gives a pale, cold blue. As a halogen it is an outlier among these fills: molecular bands broaden its emission, so the light comes out softer and less line-like than a metal's.
Iodine gives a pale, cold blue. As a halogen it is an outlier among these fills: molecular bands broaden its emission, so the light comes out softer and less line-like than a metal's.
