Daily Dose of Crossword

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Across
  1. 3. negative
  2. 5. found in nucleus, no charge
  3. 6. vertical on periodic table
  4. 7. group pf electrons
  5. 9. contains protons and neutrons
  6. 10. undergoes change during a reaction
  7. 11. matter
Down
  1. 1. electron located outside nucle
  2. 2. formed from chemical reactions
  3. 4. positive charge, found in nucleus
  4. 8. horizontal on periodic table