Chemistry Crossword

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Across
  1. 5. Symbol the abbreviation for elements found on the periodic table
  2. 7. a substance made of 2 or more elements chemically combined
  3. 9. a part of an atom with a negative charge
  4. 11. the most basic unit in chemistry
  5. 12. a solid formed after a chemical reaction
  6. 15. a way of separating a solid to solid mixture
  7. 16. a way of separating a liquid to solid mixture
  8. 17. everything to the right of the “staircase” line is a _________
Down
  1. 1. the part of an atom with no charge
  2. 2. another name for the rows in the periodic table
  3. 3. Electrons the name of the electrons in the outermost shell of an atom
  4. 4. Gases the family of the periodic table that do not react to anything
  5. 6. a tool used to find how compounds fit together
  6. 8. the last name of the “father” of the periodic table
  7. 10. a way of separating a water mixture
  8. 13. composed of 2 or more compounds physically combined
  9. 14. the part of an atom with a positive charge
  10. 18. everything to the left of the “staircase” line is a ______