Evy Shrader - chapter 9 crossword

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Across
  1. 1. Who created the periodic table? (last name)
  2. 5. What side of the periodic table are non-metals?
  3. 7. part of an atom that contains the protons and neutrons
  4. 8. particles in an atom with a positive charge
  5. 10. two of the same atom with a different amount of neutrons
Down
  1. 2. particles in an atom with no charge
  2. 3. particles in an atom with a negative charge
  3. 4. cloud spherical cloud with varying density is an atom
  4. 6. What side of the periodic table are metals?
  5. 9. the group in the periodic table that is unreactive