Week 17: 2 January to 6 January 2023

2 January 2023:

**No Class:** Christmas break.

3 January 2023:

**In Class:** Intermolecular forces and vapor pressure (Table H). (Chapter 4:23)

Expectations: Students will be able to predict relative vapor pressures based on bond strength.

Chemical Formulas: using easy criss-cross for ions. (Chapter 4:23 to 4:25)

Expectations: Students will be able to write formulas based on oxidation numbers and charges.

**Due:** The
Materials and Properties Worksheet.

**Homework:** Begin the
Writing Ionic Formulas Worksheet and here is the

Writing Ionic Formulas Answer Key to help you.

4 January 2023:

**Lab 15:**

Complete the
Molecular Geometry Lab.

Expectations: Students will be able to use LED models to predict molecular geometries.

**Due:** The
Writing Ionic Formulas Worksheet.

**Homework:** Complete the
Molecular Geometry Lab report.

5 January 2023:

**No Class:** Chemistry does not meet on Thursday.

6 January 2023:

**In Class:** Unit 4 test review using the
Unit 4 Practice Exam.

Here is the Unit 4 Practice Exam Answer Key to help you.

Expectations: Students are preparing for the Unit 4 exam.

**Due:** The
Writing Ionic Formulas Worksheet.

**Homework:** Study for the Unit 4 Exam.

**Note: **2^{nd} quarter ends 26 January 2024.