Across
- 1. common acid
- 3. acid with formula CH3COOH
- 5. a metal breaking down with oxygen
- 7. releases energy
- 12. solar energy
- 14. strange result
- 15. unreactive gas
- 16. bottom of the test tube
- 20. acid + base
- 22. a reaction where one element replaces another in a molecule
- 23. baking soda
- 25. test for carbon dioxide
- 27. ion with more than one atom
- 28. absorbs energy
- 29. period 4 alkali earth
Down
- 1. metal + acid
- 2. a law which shall not be broken
- 4. paper which measures pH
- 5. two or more elements chemically combined
- 6. makes things rust faster
- 8. in a chemical reaction the atoms are......
- 9. a synthetic reaction of life
- 10. left side of a chemical equation
- 11. a molecule is broken to smaller pieces
- 13. made from incomplete combustion
- 17. produced in the decomposition of a carbonate
- 18. can be separated physically
- 19. a type of fuel which is causing global warming
- 21. On the periodic table
- 24. common base
- 26. 3 protons