Chemistry Study Crossword

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Across
  1. 5. usually the number of electrons or protons
  2. 6. a neutrally charged piece of an atom
  3. 7. coating a metal with a metal
  4. 9. on the far right of the table
  5. 10. takes in energy
  6. 13. electrons in the outer orbital
  7. 17. a positively charged piece of an atom
  8. 19. two atoms bonded together
  9. 20. created the first periodic table
  10. 23. weight of an element
  11. 25. center of an atom
Down
  1. 1. one type of atom- a pure substance
  2. 2. Na is sodium's ____________.
  3. 3. you can't create or destroy matter.
  4. 4. what goes into an experiment
  5. 8. a column on the table
  6. 11. a "string" of atoms,
  7. 12. what comes out of an experiment
  8. 14. a level of electrons in an atom
  9. 15. usually shiny, ductile.
  10. 16. releases energy
  11. 17. a horizontal line on the table
  12. 18. does not conduct electricity well.
  13. 21. both a metal and a non metal
  14. 22. a negatively charged piece of an atom
  15. 24. smallest piece of matter