all about atoms

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Across
  1. 2. compound element
  2. 3. middle of the equation
  3. 6. positively charged particle
  4. 7. element number 8
  5. 10. left side of the equation
  6. 12. no charged particle
  7. 13. shows the amount of protons
  8. 14. partial made of itself
  9. 15. holds the protons and neutrons
Down
  1. 1. the letters representing the element
  2. 2. element number 1
  3. 4. right side of the equation
  4. 5. shows the protons and neutrons together
  5. 8. negitivly charged particle
  6. 9. element number 6
  7. 11. cloud that holds the electrons