Chemistry

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Across
  1. 3. the outcome of a chemical reaction
  2. 6. carries negative charge
  3. 8. negative charge and found in all atoms
  4. 10. the shells of an atom
  5. 14. all elements that go into reactions come out of the reaction with the same number
  6. 17. conductors of heat and electricity, malleable, ductile
  7. 18. the start of a chemical reaction, what creates a product
  8. 19. located below the symbol on the periodic table, add up protons and electrons
  9. 20. metal, nonmetal, and metalloid _____
  10. 21. number of electrons in outer shell
  11. 23. row(s) of periodic table
  12. 24. share properties of metals and nonmetals
  13. 25. a hot or heated reaction
Down
  1. 1. a full outer shell, far right side of periodic table
  2. 2. the center of all molecules
  3. 4. carries a positive charge
  4. 5. creator of the periodic table
  5. 7. a cold reaction
  6. 9. not conductive, malleable, or ductile
  7. 11. even smaller than a molecule
  8. 12. a group of atoms
  9. 13. pure substance on the periodic table
  10. 15. number of protons and electrons
  11. 16. the letters that represent the element name
  12. 22. two elements mixed together to create a new substance