Introduction to Module 3

Module-level Objectives

As a result of the instruction and activities in this module, you will be able to:

Learning Objectives

Chapter #3

Discuss the nature of the atomic mass scale. (Section 3.1 (Links to an external site.))
Determine the average atomic mass of an element from isotopic mass and relative abundance information. (Section 3.1 (Links to an external site.))
Describe and apply the concept of a mole. (Section 3.2 (Links to an external site.))
Calculate the molecular and molar mass of compounds. (Section 3.3 (Links to an external site.))
Interconvert between mass, moles, and number of atoms or molecules. (Section 3.3 (Links to an external site.))
Deduce the percent composition by mass for elements in a compound. (Section 3.4 (Links to an external site.))
Solve for the empirical formula of a compound from percent composition or from combustion analysis. (Section 3.6 (Links to an external site.))
Predict the molecular formula of a compound from the empirical formula and molar mass. (Section 3.6 (Links to an external site.))

(CO: Course Objectives)

To Do

All activities in this module are required unless otherwise noted. If you have questions or ideas, prior to contacting the instructor, please post to the FAQ Discussion. Complete the following:

Read Chapter #3 3.1 - 3.3 pg.79
Complete Homework #3
Complete Quiz #3

Readings

The following text-based resources have been selected to support your success on course assignments and to meet the objectives for this module.

Chapter 3, 3.1 - 3.3 textbook.

Instructional Materials

These instructional materials are designed to support your success on course assignments and in meeting the objectives for this module.

Presentations: Chang_14e_PPT_Ch03_ACCESS_Edit.pptx

Notes: Chapter3.pdf

Media:

Assignments

Complete the following assignments by the date and time indicated on each assignment page.

Homework #3 Homework 3 3.1 - 3.3

Quiz #3 Quiz 3 Ch 3 Sec 3.1 - 3.3

Lab #3 Lab #4 Ionic and Covalent Bonds

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