Chemistry

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Across
  1. 4. horizontal columns on the periodic table
  2. 5. part of an atom postive
  3. 7. part of an atom's shells
  4. 10. changes as you move down group 1 begins with r
  5. 12. group 1 name first word
  6. 13. state of matter begins with s
Down
  1. 1. electrons sit on them
  2. 2. periodic table of ____s
  3. 3. vertical columns on the periodic table
  4. 6. part of an atom neutral
  5. 8. group 1 name second word
  6. 9. state of matter begins with l
  7. 11. state of matter begins with g