Section 8.1 Evidence for Chemical Reactions

• To state four observations that are evidence for a chemical reaction.

Section 8.2 Writing Chemical Equations

• To identify seven elements that occur naturally as diatomic molecules: H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂.

• To write a chemical equation from the description of a chemical reaction.

Section 8.3 Balancing Chemical Equations

• To write balanced chemical equations by inspection.

Section 8.4 Classifying Chemical Reactions

• To classify a chemical reaction as one of the following types: combination, decomposition, single replacement, double replacement, or neutralization.

Section 8.5 Combination Reactions

• To write a balanced equation for the reaction of a metal and oxygen gas.

• To write a balanced equation for the reaction of a nonmetal and oxygen gas.

• To write a balanced equation for the reaction of a metal and a nonmetal.

Section 8.6 Decomposition Reactions

• To write a balanced equation for the decomposition of a metal hydrogen carbonate.

• To write a balanced equation for the decomposition of a metal carbonate.

• To write a balanced equation for the decomposition of a compound that releases oxygen gas.

Section 8.7 The Activity Series Concept

• To explain the concept of an activity series for metals.

• To predict whether a single-replacement reaction occurs by referring to the activity series.

Section 8.8 Single-Replacement Reactions

• To write a balanced equation for the reaction of a metal in an aqueous solution of an ionic compound.

• To write a balanced equation for the reaction of a metal in an acid.

• To write a balanced equation for the reaction of an active metal in water.

Section 8.9 Solubility Rules

• To predict whether an ionic compound dissolves in water, given the general rules for solubility.

Section 8.10 Double-Replacement Reactions

• To write a balanced equation for the reaction of two aqueous solutions of ionic compounds.

Section 8.11 Neutralization Reactions

• To write a balanced equation for the reaction of an acid and a base.