Chemistry Crossword

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Across
  1. 4. the study of the properties of matter and how matter changes
  2. 5. the first element on the periodic table
  3. 6. the amount of 3-dimensional space occupied by an object
  4. 10. the last row of elements on the periodic table
  5. 12. A physical change of a substance from one state to another
  6. 14. a homogeneous mixture of two or more substances
  7. 18. a positively charged ion
  8. 19. a horizontal row of elements in the periodic table
  9. 21. a substance that can be broken down into simple stable substances
  10. 22. that which has mass and occupies space
Down
  1. 1. the vertical force exerted by a mass as a result of gravity
  2. 2. Shows the in the compound and the ratio of atoms
  3. 3. the ability to do work
  4. 7. any substance that cannot be broken down into simpler substances
  5. 8. a negatively charged ion
  6. 9. a chemical substance that is present at the start of a chemical reaction
  7. 11. a basic unit of a chemical element
  8. 13. indefinite volume and indefinite shape
  9. 15. definite volume and indefinite shape
  10. 16. the degree or intensity of heat present in a substance or object
  11. 17. Vertical column of elements in the periodic table
  12. 18. any substance that has a definite composition
  13. 20. definite volume and definite shape
  14. 22. the amount of matter in an object