Chemistry Unit Study Guide

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Across
  1. 2. regions of space outside the nucleus of atom
  2. 6. Basic unit of a chemical element
  3. 7. negative charge
  4. 8. developed periodic table
  5. 9. atomic weight
  6. 10. politic charge
  7. 11. no charge
Down
  1. 1. number of protons in the nucleus of atom
  2. 3. on periodic table
  3. 4. center of the atom built of protons and neutrons
  4. 5. electrons on outermost orbital