MASS NEWS CROSSWORD

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Across
  1. 4. Vertical columns on the periodic table.
  2. 6. Material or system has the same properties at every point.
  3. 8. A membrane-bound cell organelle
  4. 9. Something that is hard
  5. 10. Able to dissolve
  6. 13. The weight of an atom.
  7. 15. A substance made by mixing other substances together.
  8. 18. When something starts to boil
  9. 20. A table of the chemicstatesofmatter Is one of the distinct forms in which matter can exist.
  10. 21. Is one of the distinct forms in which matter can exist
  11. 22. A basic unit of a chemical element.
Down
  1. 1. Horizontal columns on the periodic table.
  2. 2. The period in which aal elements arranged in order
  3. 3. A thing that is composed of two or more separate elements
  4. 5. The number of protons in the nucleus of an atom
  5. 7. When something starts to melt
  6. 11. Something that is not hard and you can see
  7. 12. Something that is not hard and you can not see
  8. 14. Area is waterlogged.
  9. 16. A negative electric charge
  10. 17. A chemical substance that cannot be broken down into other substances.
  11. 19. A neutral electric charge
  12. 20. A positive electric charge