Chapter 3: Elements, Atoms, and Ions

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Lesson 1: In Search of the Atom

• Part a: Democritus to Dalton
• Part b: The Inside Story of the Atom
• Part c: Subatomic Particles

 

Lesson 2: The Periodic Table Revisited

• Part a: Mendeleev and the Periodic Law
• Part b: Today's Periodic Table
• Part c: Isotopes and Isotope Notation

 

Lesson 3: Ions

• Part a: The Happy Family
• Part b: Metals, Nonmetals, and Ions
• Part c: Transition Metal Ions
• Part d: Polyatomic Ions