Week+1+and+2+Book+Problems+for+Chem+21

1. In Class you should have read Chapter 1, sections 1 to 3. For homework complete the following problems, pages 22-23, #7, 9, 10, 11, 13, 14, 15, 18, 19, 21, and 22. Standardized Test Prep (STP), page 25, #1 and 9. (Due Septemeber 10th)

Vocabulary: chemistry, chemical, mass, matter, atom, element, compound, intensive property, extensive property, physical property, physical change, chemical property, chemical change, reactants, products, mixture, homogeneous, heterogeneous, solution, pure substance, family, group, period, metal, nonmetal, metalloid

2. Read Chapter 2, sections 1-2. Do Section Review, pg 42, #2-5. Do Questions and Problems, pg 59, #7, 16-23, 26.

Vocabulary: hypothesis, model, theory, SI units, mass, weight, meter, gram, liter, volume, milli-, centi-, micro-, kilo-, mega-, derived unit, density, conversion factor, dimensional analysis

3. Read chapter 2, section 3. Do Section Review, pg 57, #1-10. Do Questions and Problems, pgs 59-60, #24, 29, 35-46.

4. Worksheets

Vocabulary: Accuracy, precision, percent error, significant figures, scientific notation, directly proportional, inversely proportional.