Unit 1 Crossword

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Across
  1. 6. Atoms of the same element with different number of neutrons.
  2. 7. This man discovered the atom
  3. 9. Properties that describes how one substance reacts with another, flammability, combustibility, oxidation, tarnish.
  4. 11. atoms are tightly bound, has definite volume, definite shape
  5. 13. Center of an atom
  6. 14. Protons and electrons are equal in the atom.
  7. 15. Properties that describes an objects texture, shape, smell, color, states of matter, states of matter, density.
  8. 17. L x W x H, Increases with a temperature increase.
  9. 18. This man created the modern day atom diagram
  10. 20. Positive charge
  11. 21. Process of substances state of matter (S > L > G).
  12. 25. Columns in the periodic table of elements are called.
  13. 26. Type of change in a substance that involves not altering the substances identity, (ripping a piece of paper).
  14. 27. This element makes most of the periodic table.
Down
  1. 1. combination properties of metals and nonmetals
  2. 2. This man created the modern day periodic table
  3. 3. opposite of metals
  4. 4. neutral charge
  5. 5. Measured in grams, never changes regardless of location.
  6. 8. Type of change in a substance that involves color change, gas release, etc.
  7. 10. negative charge
  8. 12. Volume of a graduated cylinder, beaker, etc. before measuring an objects volume.
  9. 16. Rows in the periodic table of elements are called.
  10. 19. Atoms are loosely bound, definite volume, no shape.
  11. 22. Mass/Volume - amount of matter in a given amount of space.
  12. 23. Atoms are scattered and moving around, no shape, no volume.
  13. 24. Protons + Neutrons