Peridoic Table Puzzle Madison Jones

123456789101112131415161718192021222324
Across
  1. 2. I have 29 protons, what am I?
  2. 7. I have 87 electrons, what am I?
  3. 8. My neutron calculation is 9, what am I?
  4. 9. My neutron calculation is 138, what am I?
  5. 12. I have 7 protons, what am I?
  6. 15. I am a horizontal row of the periodic table, what am I?
  7. 16. My coordinates are (3,4), what am I?
  8. 18. I am one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances, what am I?
  9. 20. My chemical symbol is Ni, what am I?
  10. 22. I am a column in the periodic table of the chemical elements, what am I?
  11. 24. I have a neutron calculation of 12, what am I?
Down
  1. 1. My coordinates are (17,4), what am I?
  2. 3. I have a group number of 17 and a period number of 2, what am I?
  3. 4. My chemical symbol is Fe, what am I?
  4. 5. My coordinates are (10,7), what am I?
  5. 6. I am a small, positively charged particle of matter found in the atoms of all elements, what am I?
  6. 10. My chemical symbol is Ar, what am I?
  7. 11. My chemical symbol is Ag, what am I?
  8. 13. I have a period number of 6 and a group number of 2, what am I?
  9. 14. I have a neutron calculation of 16, what am I?
  10. 17. My chemical symbol is He, what am I?
  11. 19. My atomic number is 50, what am I?
  12. 21. My chemical symbol is Au, what am I?
  13. 23. I have 45 protons, what am I?