CK-12-Chemistry Intermediate

5.4. References http://www.ck12.org

5.4 References

1. Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0


2. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


3. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


4. Jack Delano, courtesy of the Library of Congress. http://commons.wikimedia.org/wiki/File:Santa_Fe_RR_s
   team_drop_hammer.jpg. Public Domain


5. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


6. Sergei Frolov. http://commons.wikimedia.org/wiki/File:FX-77.JPG. Public Domain


7. User:Jurii/Wikimedia Commons, Heinrich Pniok (User:Alchemist-hp/Wikimedia Commons). http://commo
   ns.wikimedia.org/wiki/File:Glowing_noble_gases.jpg. CC BY 3.0


8. Christopher Auyeung, using emission spectra by User:Merikanto/Wikimedia Commons and User:Adrignola/Wikimedia
   Commons (H), User:Gringer/Wikimedia Commons (visible), User:Jkasd/Wikimedia Commons (He), User:Yttrium91/Wikimedia
   Commons (Fe). H spectrum: http://commons.wikimedia.org/wiki/File:Emission_spectrum-H.svg; visible
   spectrum: http://commons.wikimedia.org/wiki/File:Linear_visible_spectrum.svg; He spectrum: http://common
   s.wikimedia.org/wiki/File:Helium_Emission_Spectrum.svg; Fe spectrum: http://commons.wikimedia.org/wi
   ki/File:Emission_spectrum-Fe.svg. CC BY-NC 3.0 (H, visible, and Fe emission spectra available under
   public domain, He emission spectrum available under CC BY 3.0)


9. Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0


10. Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0


11. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


12. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


13. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


14. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


15. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


16. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


17. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


18. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


19. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


20. Rory Runser. CK-12 Foundation. CC BY-NC 3.0


21. Joy Sheng. CK-12 Foundation. CC BY-NC 3.0