Matter Crosswoard

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Across
  1. 3. anything that has mass and takes up space
  2. 5. number number of protons in the nucleus
  3. 7. a substance that cant be broken down
  4. 8. very energetic particles
  5. 10. mass
  6. 11. of massess existing
Down
  1. 1. have positive charge
  2. 2. the smallest particle
  3. 4. have no charge or neutral charge
  4. 6. symbol short hand way of saying an element
  5. 9. the tiny central care of an atom