1. Honors Chapter 2 Pages 42-43 Regular Chapter 2 Pages 42-43
Acids, Bases, and pH
Honors Chapter 2 Pages 42-43
Regular Chapter 2 Pages 42-43

2. Water Molecule a review just look and listen

3. Ions
Ionic bonds forms when one or more electrons are transferred from one atom to another.
See page 38 of both text
Ions are positively and negatively charges atoms …..H+ and OH-

4. H+-------- hydrogen ion OH-------- hydroxidepH
potential of Hydrogen
H hydrogen ion
OH hydroxide

5. pH scale

6. Acid
A solution that contain higher concentrations of H+ ions than pure water and has a pH values below 7.

7. Base
Or alkaline, is a solution that contains lower concentrations of the H+ ion than pure water and have values above 7.

8. Cells use this to control pH in the body
Buffer
Are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH.
Cells use this to control pH in the body

9. Another Version

10. Soil

11. We’ll do this later today or next time!