821

1. 821 Identify the reactants and products of a chemical reaction

2. 821: Identify the reactants and products of a chemical reaction Key concepts/skills: Level 1: Define key vocabulary. Level 2: Recognize all part of a chemical equation. Level 3: Distinguish between the reactants and products given chemical equations.

3. 821: Identify the reactants and products of a chemical reaction Key vocabulary Symbol Element Formula Compound Subscript Yield Reactant Product

4. 821: Identify the reactants and products of a chemical reaction • Chemical equation – symbols, subscripts, and coefficients that describe what happens during a chemical reaction

5. 821: Identify the reactants and products of a chemical reaction • Reactants – substances that combine in the chemical reaction • Reactants are always on the left side of the arrow (sometimes separated by + sign)

6. 821: Identify the reactants and products of a chemical reaction C. Products – substances created by the chemical reaction D. Products are always on the right side of the equation (sometimes separated by + sign)

7. 821: Identify the reactants and products of a chemical reaction E. The arrow (yield sign) separates the formulas of the reactants from the formulas of the products (means “produces”)

8. 821: Identify the reactants and products of a chemical reaction • Subscripts – number on the lower right of the symbol that tells how many atoms in the formula

9. 821: Identify the reactants and products of a chemical reaction