Across
- 5. it is a solid that is produced during a chemical reaction
- 6. gains electrons
- 8. loses electrons
- 9. the number written below an element; tells you how many atoms
- 12. breaking down compound
- 13. Capable of being dissolved in a liquid
- 17. absorbing heat during a chemical reaction
- 19. reacts with oxygen to produce carbon dioxide and water vapor
- 20. A process in which substances collide with each other and react to product products
- 21. A substance that changes when it is combined with another substance in a chemical reaction.
Down
- 1. acid and base react to produce salt and water
- 2. relationships involving reactants and/or products in a chemical reaction
- 3. combining different reactants
- 4. tells you the number and type of atoms in a molecule
- 7. shows you which chemical species are reacting to yield products
- 10. a number in front of a chemical formula
- 11. lowers the activation energy and increasing the rate of reaction
- 14. releasing heat during a chemical reaction
- 15. when one atom displaces another
- 16. A substance that is formed from a reaction between substances
- 18. one reagent is reduced while another is oxidized