Chemistry Crossword

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Across
  1. 6. The letters of the elements.
  2. 8. thing that holds all of the elements
  3. 11. Atoms will always react until they have a full shell.
  4. 12. Total number of protons + neutrons.
  5. 13. the study of the elements
  6. 15. Do not add mass to the atom
  7. 17. Has Calcium and Barium.
  8. 18. Do not react at all.
  9. 19. Will never change, because it will become a different element.
Down
  1. 1. Top group of the 2 that is usually under and do not fit into the Periodic Table.
  2. 2. The elements on the stair line.
  3. 3. The group to the right of the Transition Metals and to the left of the Metallloids.
  4. 4. The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
  5. 5. an element with an electric charge formed formed loss or gain in electrons.
  6. 7. Add mass to the atom.
  7. 9. Tells the number of protons.
  8. 10. Most reactive.
  9. 14. the guy who made the periodic table
  10. 16. Most reactive non-metals.
  11. 18. Has Hydrogen and Carbon in it.