Chemistry Bonus

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Across
  1. 4. Gases that have 8 valence electrons
  2. 5. Atoms with different numbers of neutrons but are the same element
  3. 6. Contains alloys, gases, and solutions and its particles are indistinguishable
  4. 7. Third group of the periodic table
  5. 9. Elements that share the properties of metals and nonmetals
  6. 11. Extremely reactive elements in group I of the periodic table
  7. 12. Increases the concentration of hydroxide ions
  8. 13. Donates a hydrogen ion
  9. 16. Acid that donates more than one proton
  10. 19. How easily an element shares electrons
Down
  1. 1. Created the Plum Pudding Model
  2. 2. Non-uniform mixture
  3. 3. Concentration of a solution
  4. 7. Second strongest form of decay
  5. 8. Energy required to remove electrons from atoms
  6. 10. Increases the concentration of hydrogen ions
  7. 14. Rule that states 8 electrons make a full valence shell
  8. 15. Unit that consists of 6.02x10^23
  9. 17. Receives a hydrogen ion
  10. 18. Formed when atoms lose electrons