Contents
Preface vu
1 Studying and Thinking About Problems 1
2 Number Notations, Arithmetical Operations,
and Calculators 5
3 Use of Dimensions 28
4 Units of Scientific Measurements 33
5 Reliability of Measurements 43
6 Graphical Representation 64
7 Density and Buoyancy 85
8 Formulas and Nomenclature 102
9 Sizes and Shapes of Molecules 113
10 Stoichiometry I
Calculations Based on Formulas 144
11 Gases 156
12 Stoichiometry II
Calculations Based on Chemical Equations 173