Across
- 1. A substance formed in a chemical reaction
- 4. Are placed in front of the symbol;a chemical equation is balanced by changing or adding______
- 6. Mass can neither be created nor destroyed
- 8. Speeds up the rate of a reaction(but not used in reaction)
Down
- 2. Substance that undergoes a change in a chemical reaction
- 3. Chemical equation that does not indicate the relative amounts of the reactants and products involved in the reaction
- 5. Each side of the equation has the same number of atoms of each element
- 7. Separates the formulas of the (reactants on the left) from the formulas of the products (on the right) ex: Fe+ O2 Fe2 O3