(©2002, François G. Amar, All rights reserved)  

Chemistry 121 (Section 003) -- Introduction to Chemistry

Dr. François Amar's Section

(MWF 11AM) 

Summary for Week 1

Reading:

For this week: BLB Chapter 1 and Appendix A

A look ahead: BLB Chapter 2

 

Homework problems:

Chapter 1: 1, 5, 9, 11, 13, 19, 23, 25, 33, 35, 38, 35, 45, 47, 71

These problems are all "red" (except for 38 and 71).

 

Key concepts:

periodic table, interpreting the symbols

elements, atomic number

changes of state

pure substances (what is a chemical?), mixtures and compounds

chemical formulas: empirical, molecular, structural

conservation of energy and mass

units and unit conversions; the metric system

length, area, and volume

measurement and experimentation in chemistry

precision and significant figures; accuracy

scientific notation for large and small numbers

  

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