Chemistry Review

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Across
  1. 3. shiny, malleable, ductile
  2. 6. don’t interact with other elements
  3. 9. a reaction that lets off cold
  4. 10. 2,8,8,2 pattern
  5. 11. a number that is multiplied out to one side of the equation
  6. 14. One, two, or three letters of the element
  7. 16. when a new solution is made, molecules can’t be created or destroyed
  8. 17. center of atom
  9. 18. created the periodic table
  10. 19. outermost electron
  11. 22. negative charge
  12. 25. mixture of molecules
  13. 26. no charge
Down
  1. 1. horizontal row on periodic table
  2. 2. studied the atom and electron
  3. 4. puts elements in order on the periodic table
  4. 5. number of protons/neutrons
  5. 7. a reaction that lets off heat
  6. 8. before a reaction
  7. 11. positive charge
  8. 12. made up of at least two elements
  9. 13. column on periodic table
  10. 15. has properties of metals and nonmetals
  11. 20. makes everything in the universe
  12. 21. dull, brittle
  13. 23. solution after a reaction
  14. 24. smallest part of an element