Across
- 1. Products must equal to reactants
- 5. When a group of atoms combine
- 6. Chemicals that combines in reaction
- 8. Atoms______ during chemical reaction
- 10. Chemicals produced after a reaction
Down
- 2. smallest particle in Universe
- 3. Proved Law of Conservation
- 4. anything that takes up space
- 7. H2O
- 9. Substance that converts to energy