Periodic Table (Biology)

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Across
  1. 2. Has the chemical symbol "C"
  2. 4. Has an atomic mass of 140.116
  3. 6. The majority of the elements are this type
  4. 9. Has the chemical symbol "Se"
  5. 10. Has the chemical symbol "Pr"
  6. 12. The minority of the elements are this type
  7. 13. It is the element directly above Lead.
  8. 15. It is the smallest and lightest of the elements
  9. 16. Has the chemical symbol "Cr"
  10. 18. Has an atomic mass of 196.966
  11. 19. On the table, it is element directly below Bromine
  12. 20. Most of these elements are on the right side of the periodic table.
  13. 21. Has the chemical symbol "Ca"
  14. 22. Has the chemical symbol "Ag"
  15. 23. Has an atomic mass of 200.59
Down
  1. 1. It has an atomic number of 32
  2. 3. This element has an atomic mass of 65.39
  3. 5. Has the chemical symbol "Rn"
  4. 7. Is the atomic number of the element "Al" or Aluminum.
  5. 8. It is element 87 on the periodic table
  6. 11. Has an atomic mass of 14.0067
  7. 14. It is the element directly above Seaborgium
  8. 15. A gas used to inflate balloons and gives you a funny voice.
  9. 16. It is the element directly to the left of Indium
  10. 17. Has the chemical symbol "Y"