Across
- 4. This alkali metal is in period 1
- 5. The scientist that discovered the periodic table
- 7. This element has 2 valence electrons and is in period 3
- 12. A family with an oxidation number of -1
- 13. This halogen is in period 5
- 15. This metalloid has an oxidation number of -2
- 16. A family with 2 valence electrons
- 17. Another name for the rows on the periodic table
- 18. This group will conduct heat, it will be malleable and shiny
Down
- 1. The charge that an element has as an ion
- 2. This is a gas with 6 energy levels
- 3. This group will not conduct electricity, it will be brittle and dull
- 6. Europium and Holmium belong to this family
- 8. Hydrogen belongs to this family
- 9. This family will never become an ion
- 10. Uranium and Californium belong to this family
- 11. Electrons in the outermost energy level
- 14. This group will share properties with metals and nonmetals