1.1 What is Chemistry?

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

2.4 References

1. (A) Hi-Res Images of Chemical Elements; (B) Jordan McCullough; (C) Jo Naylor. (A) http://images-of-
   elements.com/iron.php; (B) http://www.flickr.com/photos/ambientideas/3297063530/; (C) http://www.flickr
   .com/photos/pandora_6666/3454172058/. (A) CC BY 3.0; (B) CC BY 2.0; (C) CC BY 2.0


2. (A) Rodrigo; (B) Christine und David Schmitt (Flickr:cheesy42); (C) Steven Whateley. (A) http://commo
   ns.wikimedia.org/wiki/File:Lillafured_icedwaterfall_wman.jpg; (B) http://commons.wikimedia.org/wiki/File
   :Nile_river_at_Luxor_2007.jpg; (C) http://commons.wikimedia.org/wiki/File:Steam_Train.JPG. (A) CC BY
   2.5; (B) CC BY 2.0; (C) Public Domain


3. User:Proton02/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:LPS_Lamp_35W_running.jpg
   . Public Domain


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


5. Sulfur: Hi-Res Images of Chemical Elements; Water: Claire Cessford. Sulfur: http://commons.wikimedia
   .org/wiki/File:Sulfur_%2816_S%29.jpg; Water: http://www.flickr.com/photos/35137234@N06/4230612281/
   . Sulfur: CC BY 3.0; Water: CC BY 2.0


6. User:Cepheus/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Periodic_table.svg. Public
   Domain


7. Wine: George Hodan; Gunpowder: Oliver H.. Wine: http://www.publicdomainpictures.net/view-image.php
   ?image=35183&picture=glass-of-red-wine; Gunpowder: http://commons.wikimedia.org/wiki/File:Spk-RZ.jpg
   . Public Domain


8. Oil/vinegar: Kat (Flickr:tyger_lyllie); Soil: Petr Kratochvil. Oil/vinegar: http://www.flickr.com/photos/ty
   ger_lyllie/3350276971/; Soil: http://www.publicdomainpictures.net/view-image.php?image=13200&picture
   =soil-texture. Oil/vinegar: CC BY 2.0; Soil: Public Domain


9. Pearson Scott Foresman. http://commons.wikimedia.org/wiki/File:Distillation_%28PSF%29.png. Public
   Domain


10. Laura Guerin. CK-12 Foundation. CC BY-NC 3.0


11. Duff Axsom (Flickr:duff_sf). http://www.flickr.com/photos/sfbear/472100458/. CC BY 2.0


12. User:Chemicalinterest/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Zn_reactionwith-
    HCl.JPG. Public Domain


13. Paige Powers (Flickr:paigggeyy). http://www.flickr.com/photos/paigggeyy/5533819494/. CC BY 2.0


14. Muddy water: Image copyright Alena Brozova, 2014; Sugar water: Image copyright m.bonotto, 2014. http
    ://www.shutterstock.com. Used under licenses from Shutterstock.com