Science crossword project

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Across
  1. 2. electrons are found in the electron cloud/shell or...
  2. 5. up and down
  3. 6. Protons determine the...
  4. 9. the charge the electron has
  5. 12. compound or element that is the result of a chemical reaction;term(s)to the right of the arrow
  6. 14. left and right
  7. 15. compound or element that changes during a chemical reaction;term(s)to the left of the arrow
Down
  1. 1. the number placed just before the chemical formula;number of molecules
  2. 3. Equation equation that has the same number of atoms of each element on both sides of the yield sign
  3. 4. positively charged
  4. 7. Negatively Charged
  5. 8. The charge of a neutron
  6. 10. The source that holds a nuclear energy
  7. 11. molecule that is made up of more than one type of element
  8. 13. Compound compounds that include carbon(CHONPS)