1. The Chemical Context of Life

2. Definitions
Matter
Element
Molecule
Compound

3. Atom Structure
Protons
Neutrons
Electrons

4. Periodic Table

5. Atom Structure
Atomic number
Mass number
Atomic weight

6. Isotopes
Radiometric Dating
Tracers

8. Chernobyl
April
extensive parts of the western Soviet Union, Eastern Europe, Western Europe, Northern Europe, and eastern North America
Nearly thirty to forty times more fallout was released than had been by the atomic bombings of Hiroshima and Nagasaki
Direct Deaths: 56

9. Three Mile Island March 28 1979
partial core meltdown in Unit 2 of the nuclear power plant
release of a significant amount of radioactivity, an estimated 43,000 curies of radioactive krypton (1.59 PBq), but under 20 curies (740 GBq) of the particularly hazardous iodine-131, to the environment.
no deaths or injuries

10. Hershey

11. Microwaves

12. Energy Levels

13. Electron Shells

14. Bonding Covalent Bonding Ionic Bonding Hydrogen Bonding
Nonpolar
Polar
Ionic Bonding
Hydrogen Bonding
Van der Waals Interactions
Hydrophobic Interactions

15. Nonpolar Covalent Bonds

16. Polar Covalent Bonds

17. Ionic Bonds

18. Ionic Bonds

19. Hydrogen Bonds

20. Van der Waals
The weak bonds that exist between molecules but are masked by other stronger bonds. They are evident only in symmetrical molecules or at very low temperatures.

21. Hydrophobic Interactions

22. Water

23. Water Structure
Polar Covalent Bonds
Hydrogen Bonds

24. Water Properties
Adhesion
Cohesion
Surface Tension

25. Water Properties
Surface Tension – Basilisk (Jesus) Lizard

26. Water Properties
High Specific Heat

27. Water Properties
High Specific Heat

28. Water Properties
High Heat of Vaporization

29. Water Properties
Expands when freezing

30. Water Properties
Universal Solvent

31. Solutions
Solute + Solvent = Solution

32. pH Scale
Acid
Base

33. Richter Scale

34. Acid Precipitation

35. Acid Precipitation

36. Acid Precipitation

37. Buffers