Matter

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Across
  1. 2. matter that can only be chemically separated, an element or a compound
  2. 4. a subatomic particle found in the nucleus with no charge
  3. 5. a chart that organizes all elements
  4. 9. a pure substance with two or more elements chemically combined
  5. 11. a state of matter with no definite shape or volume
  6. 14. two or more substances that are physically combined
  7. 15. how many protons are in an atom
  8. 16. how well a substance can dissolve in a liquid
  9. 17. a state of matter with a definite shape and volume
  10. 18. columns on the period table that have similar properties
Down
  1. 1. a mixture with visibly different parts
  2. 3. a pure substance with only one kind of atom
  3. 6. a subatomic particle found outside the nucleus with a negative charge
  4. 7. a mixture that looks the same throughout
  5. 8. anything that takes up space or has mass
  6. 10. a state of mater with definite volume but no definite shape
  7. 12. a subatomic particle found in the nucleus with a positive charge
  8. 13. the total number of protons and neutrons in the atom
  9. 15. the building blocks of matter