1. Microbiology Ch.2 Chemistry
2.1 Atomic Structure

2. Overview of Atomic Structure
Atoms
Nucleus
Protons (+)
Neutrons (0)
Orbitals
Electrons (-)
Mass number

3. Overview of Atomic Structure
Elements
Periodic Table
Periods
Groups or Families

4. Overview of Atomic Structure
Electron Orbitals
Valence Electrons

5. Microbiology Ch.2 Chemistry
2.2 Chemical Bonds

6. Compounds & Molecules
Coefficient
Subscript

7. Ions & Ionic Bonds
Ion
Cation (+)
Anion (-)
Salts

8. Covalent Bonds Organic (Carbon) Polar Nonpolar Water (H2O)
Carbon dioxide (CO2)

9. Other Bonds & Interactions
Hydrogen Bonds
Electromagnetic Attraction
Water
DNA
Proteins

10. Other Bonds & Interactions
Hydrogen Bonds in Water
Cohesion
Adhesion
Surface Tension
Solubility

11. Other Bonds & Interactions
van der Waals interactions

12. Avogadro’s Number and the Mole
6.02 X 1023
Example:
1 mole of water H2O = 2 Hydrogen (1 gram X 2) Oxygen (16 grams) = 18g Water

13. Average Atomic Mass
Isotopes
Example:
Carbon Atomic Mass =