Across
- 2. made by a chemical reaction
- 6. all matter is made of moving matter
- 8. substance that is changed during a reaction
- 11. component of a nucleus with a positive charge
- 12. amount of protons in a nucleus
- 13. substance made of two or more elements
- 14. pH>7
- 15. Sulfuric acid
- 17. right way with enough energy
- 18. cannot be separated into simpler substances
- 19. center of an atom
- 20. negatively charged part of an atom
- 24. least amount of energy needed to react
- 25. Acid HNO3
- 26. formed by losing or gaining electrons
- 27. when acid and base mix
Down
- 1. total area of exposed surface
- 3. smallest part of a chemical element
- 4. component of a nucleus with no charge
- 5. HCl
- 7. negatively charged atom
- 9. how much solute is dissolved in a liquid
- 10. substances that have a pH1 - pH6
- 16. total number of protons and neutrons
- 21. positively charged atom
- 22. how fast reactants become products
- 23. can speed up or slow a reaction (is not used)