Across
- 4. Model shows all electrons
- 5. Your favorite chemistry teacher
- 7. A clown in jail
- 9. A test in the laboratory
- 10. K
- 12. Has no net electric charge
- 15. Particles moving around the nucleus
- 18. Electrons in the outer shell
- 19. Positive particles in the nucleus
- 21. S
- 22. Positively charged particle
- 23. ____ table
- 24. Another name to call ionic compounds
- 25. Negatively charged particle
Down
- 1. Electro____
- 2. Density is ____ over volume
- 3. Eye protection
- 6. Leave turning brown and yellow. This is a ___ change.
- 8. Combination of two or more atoms
- 11. Used to weigh substances
- 13. What you should do with a dead chemist.
- 14. Taste sour
- 16. Ladies' favorite chemical element
- 17. Model shows valence electrons
- 20. Na
- 22. Cu
- 23. salt dissolves in water. This is a ___ change.