Chemistry Crossword

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Across
  1. 3. have particles that are far apart and move very fast
  2. 4. negatively charged ions
  3. 6. the study of the composition, structure, properties,and reactions of matter
  4. 9. positive charge
  5. 11. are located along the heavy zigzag line of the periodic table
  6. 13. negative charge
  7. 14. composed of one type of atom
  8. 16. have particles that are close together in a fixed arrangement
  9. 17. contain elements with similar properties in vertical columns.
  10. 18. neutral charge
Down
  1. 1. are horizontal rows of elements, counted from top to bottom of the table as Periods 1−7.
  2. 2. material that makes up all things
  3. 5. have particles that are close together but mobile
  4. 7. positively charged ions
  5. 8. are located to the right of the periodic table
  6. 10. most abundant element
  7. 12. located to the left of the periodic table
  8. 15. composed of two or more elements always combined in the same proportion