Periodic Table

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123456789101112131415161718192021
Across
  1. 2. I am the last element on the table (118)
  2. 7. I am in period 4 and column 11, I make pipes
  3. 10. my atomic number is 47 and I am used to make jewelry
  4. 11. the number of protons in an element
  5. 12. the center of an atom
  6. 15. my atomic number is 53
  7. 16. a column on the periodic table
  8. 19. an element that has characteristics of metals and non-metals
  9. 21. a row on the periodic table
Down
  1. 1. I am in column 18 and period 2, I make bright signs
  2. 3. I am neutral
  3. 4. I have a negative charge
  4. 5. I am the first element on the table
  5. 6. my atomic mass is 35.45
  6. 8. an element that is not a metal
  7. 9. I have an atomic mass of 40.078 and I make up bones
  8. 13. the 14th element
  9. 14. the number of protons and neutrons together
  10. 15. I have 26 protons
  11. 17. the arrangement of elements on a table based on their atomic number
  12. 18. an element that is usually solid, hard, and shiny
  13. 20. a particle in the nucleus that is positive