Chemistry Crossword

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