Periodic Vocab

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Across
  1. 4. number 67 on the periodic table
  2. 7. structure composition of an atom
  3. 10. symbol Tl
  4. 14. electrons the amount of electrons on the outer ring
  5. 17. symbol Pb
  6. 18. symbol Ag
  7. 19. number five on the periodic table
Down
  1. 1. number 48 on the periodic table
  2. 2. mass protons plus neutrons
  3. 3. element with same number of protons but different number of neutrons
  4. 5. gases Group with 8 valence electrons
  5. 6. number 49 on the periodic table
  6. 7. the smallest unit of a chemical element that has the properties of that element
  7. 8. symbol W
  8. 9. number protons are equal to...
  9. 11. number 18 on the periodic table
  10. 12. usually in a staircase formation on the periodic table
  11. 13. number 27 on the periodic table
  12. 15. number 33 on the periodic table
  13. 16. Number 16 on periodic table