1. Drill Quiz: The bonds in BaO are best described as….
Generally… valence electrons are needed for atoms to be most stable.
Objective:
Swbat: Apply laboratory observations in order to predict bonding type by comparing physical properties.

2. SAT Enrichment:
A … bond with an electronegativity difference … exists in a molecule of hydrogen iodide.
a. Polar covalent … between .4 and 1.7
b. Polar covalent … of zero
c. Nonpolar covalent … of zero
d. Nonpolar covalent … between .4 and 1.7
e. Ionic … of zero

3. Is my sample ionic or covalent?
Bonding Types
Is my sample ionic or covalent?

4. Exploration:
Using Properties of Compounds to Determine Bonding Types Pre-Lab (15 min)
Using Properties of Compounds to Determine Bonding Types Lab (30 min)

5. Explanation:
Lab Data Discussion (15 min)

6. Extension
Alloys Question

7. Homework:
Lab Analysis Questions

8. Summary: Did we accomplish the objective? Explain.
Identify different physical properties that may distinguish the difference between bonding types.
Why is water considered a universal solvent?
Using the information learned from your lab would you use water to clean up a methanol spill? A kerosene spill? Explain.
Methanol – yes
Kerosene - no