Periodic Table Crossword

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Across
  1. 3. What element has 11 protons?
  2. 5. What group is oxygen located in?
  3. 7. What is the mass number of Magnesium?
  4. 8. shell What is another name for the outer shell?
  5. 11. What is the 13th element?
  6. 12. Which group in the periodic table are the noble gases found?
  7. 15. In which group are the alkali metals found?
  8. 16. What side of the table are the nonmetals located on?
  9. 17. How many electrons does Chlorine have in its outer shell?
Down
  1. 1. How many shells does Calcium have?
  2. 2. What is another name for a column?
  3. 3. What group of the periodic table are the halogens found?
  4. 4. Who modernized the periodic table?
  5. 6. Who created the first periodic table?
  6. 9. What metals are stored under oils?
  7. 10. Where are the protons and neutrons located?
  8. 13. What does the mass number subtract the atomic number equal?
  9. 14. What side of the table are the metals located on?