Ms. T's Periodic Table Crossword

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Across
  1. 5. Is 83 on the periodic table
  2. 7. Can be found in light-up signs and is Ne on the periodic table
  3. 9. Arsenic-75 has 42 of these in one atom of it
  4. 10. Au on the periodic table
  5. 11. The atomic number tells us this in an atom
  6. 13. Osmium is apart of the ________ metals
  7. 15. Chlorine is apart of this family
  8. 17. We call this salt on nutrition labels and is Na on the periodic table
  9. 20. Calicium is apart of the _____ earth metals
  10. 21. This nonmetal is in the 17th group and 4th period of the periodic table
  11. 23. The element ______ is the 1 or 2 letters on the element square on the periodic table
  12. 26. Erbium is apart of the _____ earth metals
  13. 27. The periodic table is made up of these
  14. 29. Mendeleev was a Russian Chemistry and created the thing that organizes elements
  15. 30. I on the periodic table
Down
  1. 1. Is good to have in soil for plants and is N on the periodic table
  2. 2. Lead is a ______ transition metal
  3. 3. This element is named after a famous scientist who has crazy white hair
  4. 4. Has an atomic mass of 118.71
  5. 6. Has 1 proton and is a nonmetal
  6. 8. Are bad conductors of heat and electricity
  7. 12. 74 on the periodic table
  8. 14. The first group on the periodic table is _____ metals
  9. 16. This group is unreactive
  10. 18. Fe on the periodic table
  11. 19. Has 25 electrons
  12. 22. Has properties of both metals and nonmetals
  13. 24. We used to use this in thermometers and is Hg on the periodic table
  14. 25. These overall type of elements are brittle, good conductors of heat and electricity, and have luster
  15. 28. Can be found in paint, cause poisoning and has 82 protons