Atoms and Elements

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Across
  1. 3. table a display of chemical elements
  2. 5. a subatomic particle with a negative charge
  3. 6. the columns of the periodic table
  4. 8. a subatomic particle with a no charge
Down
  1. 1. the rows on the periodic table
  2. 2. is made up of protons and neutrons
  3. 4. the smallest unit of matter
  4. 7. a subatomic particle with a positive charge