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Unit A Chemical Change: Practice Answers

Lesson 1.1 The Structure of Matter
Lesson 1.2 Atomic Bonding and Properties
Lesson 1.3 Breaking Bonds
Lesson 1.4 Solutions and Concentrations
Lesson 1.5 Calculating Concentration
Lesson 2.1 Compounds and Chemical Change
Lesson 2.2 The Gain and Loss of Electrons
Lesson 2.3 The Reactivity of Metals
Lesson 2.4 Using Voltaic Cells
Lesson 2.5 The Electrolytic Cell
Lesson 3.1 Carbon Chains
Lesson 3.2 Saturated and Unsaturated Hydrocarbons
Lesson 3.3 Petroleum Is the Source
Lesson 3.4 Everyday Use of Hydrocarbons