Across
- 2. showed oxygen reacting and producing heat
- 3. solution in which the solvent is water
- 5. reaction where 2+ substances makes 1 product
- 7. substance reacts with oxygen producing heat
- 9. substance formed during a chemical reaction
- 11. one compound breaks down into 2+ substances
- 17. CFC's
- 18. the # in front of a reactant or product
- 19. equation showing reactions of ions in solutions
- 20. studies chemical processes of living things
Down
- 1. 1 element replaces atoms of another
- 4. exchange of ions between 2 compounds
- 6. uniform mixture having solids, liquids, or gases
- 8. uses formulas to show substances in an reaction
- 10. chemical reaction producing light energy
- 12. substance that dissolves a solute in a solution
- 13. the starting substance in a chemical reaction
- 14. one or more substances dissolved in a solution
- 15. uses chemical symbols to show a chemical reaction
- 16. solid produced during a reaction in solution
- 21. chemical combination of 2 or more diff. elements