Across
- 1. subatomic particle with a positive charge
- 3. K
- 4. Co
- 5. the first person to make a periodic table
- 8. anything that has volume and mass
- 9. Ag
- 13. a separation that involves boiling and condensing
- 15. the substance that does the dissolving
- 16. a physical combination of 2 or more compounds or elements
- 17. the most energetic state of matter
- 19. Au
Down
- 1. a property that explains color, odor, and density
- 2. the mixture is the same throughout
- 4. a property that explains reactivity
- 6. a pure substance that cannot be broken down into smaller parts
- 7. the charge of an electron
- 10. Na
- 11. a chemical combination of 2 or more elements
- 12. the substance that gets dissolved
- 14. different numbers of neutrons in the same element
- 18. the state of matter with the least energy