CH 221 – Ziegler KEY CONCEPTS Fall 05
Chapter 1 10th ed
Class period 1 – Reading pp. 1-12.
1. From its composition, identify a sample of matter as an element,
compound, or mixture. Problem 1.15.
2. For any element in Table 1.2, given the element name, write the
atomic symbol, or vice versa. Problems 1.11, 1.13.
3. Classify a mixture as a solution or heterogeneous. Problem 1.1,
1.9.
4. Determine whether a property of matter is a physical or chemical
property. Problem 1.2, 1.20
Class period 2 – Reading pp. 14-17, 20-25(m).
5. State the appropriate SI/metric unit for a given quantity. Or,
given a unit, state the quantity being specified. Problem 1.3, 1.63
6. Convert between oF, oC, and K. Problem 1.33.
7. Distinguish between precision and accuracy for measured
numbers. Problems 1.4, 1.61
8. Determine the number of significant figures in a measured
quantity. Problems 1.5, 1.37, 1.39
9. Determine the number of significant figures in a calculated
quantity. Problem 1.41, 1.42
Class period 3 – Reading pp. 25(m) – 28 (m).
10. Use conversion factors to change the units of a measured
quantity. Problems 1.45, 1.47, 1.49
11. Relate density to mass and volume. Problems 1.31, 1.56, 1.66,
1.69 a), b).
NOTE: Class periods above are for the MWF lecture sections. If you are
in the MR lecture, the class periods break down as below. Adjust your
reading accordingly.
Class Period Key Concepts
1 1-7
2 8-11
