Kristy Barajas
Tuesday, April 29, 2014
Solutions of Acid and Bases
Tuesday, April 22, 2014
Forming New Substances
Covalent and Metallic Bonds
Wednesday, April 16, 2014
My Prezi on Electrons and Chemical Bonding
My Prezi on Ionic Bonds :)
Friday, March 14, 2014
Small bodies in Solar System
Monday, March 3, 2014
Stars
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