Chapter 1: Basic Concepts

1.1: Atom

1. Atom
2. Evidence of Atoms
3. Molecule
4. Ion
5. Molecular ion
6. Molecular Ion

1.2: Relative Atomic Mass

1. Relative Atomic Mass in Grams
2. Calculating the Average Atomic Mass

1.3: Significant Figures

1. Introduction to Significant Figures
2. Rules to Find the Significant Digits in a Measurement
3. Zero as Significant Figure
4. Rounding Off the Numbers
5. Rounding Off the Numbers (continued)
6. Addition and Subtraction