Chemistry Crossword

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Across
  1. 2. a negatively charged particle in an atom
  2. 5. the ability of a substance to be shaped
  3. 6. the vertical colums in the periodic table
  4. 8. elements with seven valence electrons
  5. 9. the ability of a substance to be drawn into wires
  6. 10. a substance that can conduct electricity
  7. 12. elements that are good conductors
  8. 15. the number of protons and electrons in an element
  9. 19. the horizontal rows in the periodic table
  10. 20. a positively charged particle in an atom
Down
  1. 1. elements that are not good conductors
  2. 3. elements that will not react with other gases
  3. 4. a neutral particle in an atom
  4. 7. a change that changes the appearance of a substance
  5. 11. a change that makes something into a new substance
  6. 13. what does the periodic table list
  7. 14. the number that is the mass of an element
  8. 16. two or more substances that can be separated
  9. 17. the shininess of an substance
  10. 18. a substance made up of two or more elements