Across
- 5. F
- 7. O
- 8. C
- 9. a substance that cannot be broken down into different parts
- 10. a substance that contains two or more elements; can be broken down into different parts
- 13. share properties of metals and nonmetals
- 16. shiny, solid at room temperature, denser compared to nonmetals
- 17. Cl
Down
- 1. H
- 2. basic elements the Ancient Greeks believed existed - f e a w
- 3. dull, gas at room temperature, lower density compared to metals
- 4. Al
- 6. Au
- 11. N
- 12. first people that started chemistry
- 14. Cu
- 15. Ca