Chemistry Cross Word Puzzle

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Across
  1. 7. The mass in an atom
  2. 8. The positive charge in an atom
  3. 9. One of the states of matter(Free to flow)
  4. 10. The neutral charge in an atom
Down
  1. 1. The Negative Charge in an atom
  2. 2. The smallest unit of ordinary matter.
  3. 3. Matter in an object
  4. 4. One of the states of matter (Particles)
  5. 5. Firm and stable shape EX: (One of the states of matter)
  6. 6. The amounts of space that a substance or object occupies