1. Emission Spectra

2. long
short

3. Electromagnetic Spectrum
short
long

4. Bright Line Spectra

5. Spectra of several elements

6. Absorption
Dark hydrogen absorption lines appear against a continuous visual spectrum, the light in the spectrum absorbed by intervening hydrogen atoms
From "Astronomy! A Brief Edition," J. B. Kaler, Addison-Wesley, 1997.

7. Colors of various gases

8. Argon

9. Helium
580

10. Hydrogen
420
650

11. Krypton

12. Neon
460
735

13. Xenon

14. Water Vapor
Using log scale

15. Water Vapor
Using log scale

16. University of Oregon
Applet of Periodic Table
with spectrum of each element

17. Internet Resources Ohio State University

18. The End
Ben Zalewski Jan. 2007