Across
- 1. what group are alkali earth metals in
- 4. makes stars burn
- 5. Zn
- 8. Sn
- 9. 5th element on the table
- 10. on the diagonal line in the table
- 11. on the left side of the diagonal line in the table
- 12. used in nuclear power plants
- 14. first group on the periodic table
Down
- 1. the columns on the periodic table
- 2. group 18 and has a full valence shell
- 3. the rows on the periodic table
- 6. on the right side of the diagonal line in the table
- 7. 16th element on the periodic table
- 13. created periodic table