Periodic Table Crossword Puzzle

12345678910111213141516
Across
  1. 1. a family of elements that includes Lithium and Potassium
  2. 5. a family of elements in Group 17
  3. 6. the most massive Semimetal
  4. 8. element symbol for Tin
  5. 9. the most massive Transition Metal
  6. 12. element in Group 6 with a mass number of 183
  7. 13. Nonmetal with a mass number of 14.007
  8. 15. element in Period 5, Grup 11
  9. 16. horizontal rows of the Periodic Table
Down
  1. 2. the third smallest element on the Periodic Table
  2. 3. a family of elements in Group 2
  3. 4. the least massive Semimetal
  4. 7. vertical rows of the Periodic Table
  5. 9. the least massive Transition Metal
  6. 10. a family of elements that includes Helium, Neon, and Argon.
  7. 11. the least massive Halogen
  8. 14. element with atomic number 28