Across
- 3. Number of families of metals
- 5. Column where Silicon and Germanium is in
- 6. Number of metals
- 11. Only metalloid in 13th column
- 12. Number of Nonmetals
- 14. Twelve elements in this family of metals
- 15. Element with the symbol of I
- 16. Alkali Earth Metal with atomic number 12
- 20. Atomic Number = 80
Down
- 1. Only element with a whole atomic mass
- 2. Symbol = Fe
- 4. Column Cobalt is in
- 7. Column where metalloid stairs start
- 8. Family of gases in 18th column
- 9. Element with atomic mass of 15.999
- 10. Element at the bottom left of the table
- 13. Atomic Number = 2
- 17. Family of metals sodium is in
- 18. Atomic mass of 20.18
- 19. Carbon atomic number