Chemistry Unit Study Guide

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Across
  1. 2. table of elements
  2. 3. elements that make up group 18
  3. 7. one or more elements alike
  4. 8. smallest part of element
  5. 10. smallest part of substance
  6. 14. total of protons and neutrons
  7. 15. full outer shell
  8. 19. a mixture of elements
  9. 20. no charge
  10. 21. abbreviation for the element
  11. 22. positive charge
  12. 24. core of atom
  13. 25. element the property of shiny
  14. 26. is a reaction that acres
Down
  1. 1. positive charge
  2. 4. energy can't be destroyed
  3. 5. creates ice
  4. 6. a deadly chemical
  5. 9. element that lacks most
  6. 11. creates heat
  7. 12. number of protons in nucleus
  8. 13. made the periodic table
  9. 16. substance that is formed
  10. 17. an atoms shel
  11. 18. cannot be chemically broken
  12. 23. substance that is changed