Across
- 4. We balance a chemical equation by using the smallest, whole number ____________.
- 5. In 1 ____ of particles there are 6.022 times 10 to the 23rd power particles.
- 6. The chemical that lost electrons in a chemical reaction was ___________.
- 7. A chemical used up during the reaction.
- 8. A type of chemical reaction in which one of the reactants is molecular oxygen.
Down
- 1. Reaction that absorbs energy from the surroundings.
- 2. Mass of exactly 1 mol of a chemical (2 words)
- 3. A type of chemical reaction in which a single reactant forms two or more products.