Categories Jokes ROOOXANNNE, you don’t have to emit electromagnetic radiation with a wavelength of approximately 620-750 nanometers Post author By chemistryjokes Post date June 2, 2021 ROOOXANNNE, you don’t have to emit electromagnetic radiation with a wavelength of approximately 620-750 nanometers. See also The Reality Of Organic Chemistry ← Every dipole has their moment → Learning about electrons is exciting. They bring chemistry to a whole new level