3.  H20 IS WATER.

4.  H20=2 parts hydrogen and 1 part oxygen.

5.  Co2 is carbon dioxide.

6.  CO2 is the molecular formula for carbon dioxide.

7.  O is oxygen, the air we breathe.

8.  N is nitrogen.

9.  Along with carbon (C) and oxygen (O), nitrogen is essential in most of the compounds that allow life to exist. LOOK!!!

10.  S is sulfur.

11.  Sulfur is used extensively in many industries as are its ions, such as sulfides and sulfates.

12.  Potassium is K. hello

13.  Potassium is K because the K came from the Latin word alkali kalium. Potassium!!!

14. Resources http://www.chem4kids.com /files/elements/007_speak.ht ml http://www.chem4kids.com /files/elements/007_speak.ht ml http://dictionary.reference. com/browse/sulfur http://dictionary.reference. com/browse/sulfur http:// www.wisegeek.org/ what-is-sulfur.htm http:// www.wisegeek.org/ what-is-sulfur.htm http://www.ptable.com/