Across
- 3. The only element with only 2 electrons
- 6. The sixth element
- 10. its symbol is Ag
- 12. Argon is a ______ Gas
- 14. Boron is a ________
- 15. cerium is a _____________
- 18. Uranium is a ___________
- 19. the 13th element
- 20. Its symbol is K
Down
- 1. Titanium is a ___________ Metal
- 2. Hydrogen is an element in the _________ table
- 4. the creator of the periodic table
- 5. The twenty-sixth element
- 7. Has 8 electrons
- 8. its atomic weight is 14
- 9. the 29th element
- 11. its symbol is Li
- 13. the number of families on the periodic table
- 16. Sodium is a ______ metal
- 17. The first element