Chemistry

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Across
  1. 2. Magnesium is much more ________ than copper.
  2. 5. A subatomic particle found in shells.
  3. 8. The positively charged electrode.
  4. 9. Electrons in a covalent bond are ________
  5. 11. A reaction when the more reactive metal replaces the less reactive metal.
  6. 16. How much solute is in a solution, calculated by mass divided by volume.
  7. 18. A reaction that makes the surroundings hotter.
  8. 19. A solution that contains OH- ions.
Down
  1. 1. The electrons in a metal are ___________.
  2. 3. Electrons are transferred in a _________ bond.
  3. 4. The person responsible for making the modern periodic table.
  4. 6. A liquid that has free moving ions.
  5. 7. A solution that contains H+ ions.
  6. 10. The negatively charged electrode.
  7. 12. A positively charged subatomic particle.
  8. 13. A reaction that takes in energy.
  9. 14. When a particle loses electrons.
  10. 15. When a particle gains electrons.
  11. 17. A giant covalent structure made of carbon.