Chemistry

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Across
  1. 2. Something that moves freely and spaced out
  2. 4. Biggest letter(s)on the element block
  3. 7. Is negative
  4. 10. Something that is created by 1 type of atom
  5. 11. It's tightly packed together
Down
  1. 1. Has weight
  2. 3. Something that takes up space
  3. 5. Anything that has weight and takes up space
  4. 6. Is positive
  5. 8. Takes the shape of the container its in
  6. 9. Is neutral