Unit of matter

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Across
  1. 3. number the number of protons in the nucleus
  2. 4. the negative charge of a atom
  3. 8. the horizontal rows on the table
  4. 9. more than one element bonded together
  5. 11. the positive charge of a atom
Down
  1. 1. more than one atom bonded together
  2. 2. the vertical groups on the table
  3. 5. the neutral part of a atom
  4. 6. a lot of the same atom bonded together
  5. 7. smallest unit of matter
  6. 10. table of elements a table where you can see all the elements