Astronomy 1020L – Supplements – Light & Spectra Lab 2017-08-05 by R David Rivero Click Thumbnail to View Full-Sized Image Neon (Tube) Argon (Tube) Krypton (Tube) Mercury (Tube) Neon (Spectrum) Argon (Spectrum) Krypton (Spectrum) Mercury (Spectrum) Carbon Dioxide (Tube) Water Vapor (Tube) Carbon Dioxide (Spectrum) Water Vapor (Spectrum) Unknown 1 (Tube) Unknown 2 (Tube) Unknown 1 (Spectrum) Unknown 2 (Spectrum)