Periodic table
Across
- 4. Group 2
- 6. Size of a neutral atom
- 11. Luster, good conductors, malleable
- 12. Multiple oxidation states, have color
- 19. Higher than #92 on the periodic table
Down
- 1. Group 18
- 2. Measure of attraction of a nucleus
- 3. Horizontal rows on table
- 4. Group 1
- 5. Vertical rows on table
- 7. Has properties of metals and nonmetals
- 8. Set of properties typical in metals
- 9. Problem with the first periodic table
- 10. Can be shaped/hammered
- 13. Size of an ion
- 14. Poor conductors, brittle
- 15. Energy needed to pull electron away
- 16. Group 17
- 17. Another name for a group
- 18. Invented first periodic table