Across
- 3. substance present at the start of a chemical reaction
- 8. one reactant breaks down into multiple/simpler products
- 11. small numbers that are a part of the compound's formula
- 13. any hydrocarbon reacting with oxygen releases heat, carbon dioxide, and water
- 14. number written in front of a chemical equation
Down
- 1. replacement two reacting compounds switch an element (their "partners")
- 2. replacement one element switches places with another element in a compound
- 4. a non-metal will share its valence electrons with another non-metal
- 5. substance present at the end of a chemical reaction
- 6. a metal will transfer its valence electrons with another non-metal
- 7. when atoms gain or lose electrons
- 9. have no fear of ice cold bears
- 10. 2 or more elements combined
- 12. 2 or more elements combine to make one product