Drill Quiz: The bonds in BaO are best described as….

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Presentation transcript:

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.

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

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

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

Explanation: Lab Data Discussion (15 min)

Extension Alloys Question

Homework: Lab Analysis Questions

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