1. Matter in your body Elements Fundamental units of matter
96% of the body is made from 4 elements:
Carbon (C)
Oxygen (O)
Hydrogen (H)
Nitrogen (N)

2. Chemical Bonds
Covalent
Ionic

3. Demos/Molymods
What observations can be made about water?

4. Chemical Bonds
Polarity
Hydrogen bonds

5. Chemical Bonds
Hydrogen Bonds
Figure 2.7

6. Dissolving properties?

7. Quick Write
Water is called the universal solvent meaning it is good at dissolving substances. Explain chemically why water is good at dissolving substances.
Polarity, hydrogen bonding, example