Across
- 3. Outer electrons
- 4. Group 1 elements
- 7. Group 17 elements
- 8. Horizontal column in the periodic table
- 9. Vertical column in the periodic table
- 10. Pure substances
Down
- 1. Elements that are shiny, good conductors of heat, and malleable
- 2. Atoms want to achieve a full outer electron shell of 8 electrons
- 5. Elements that have properties of both metals and nonmetals
- 6. Elements that are dull, brittle, and bad conductors of heat