Across
- 3. When two or more substances form a compound
- 4. The last name of the creator of the periodic table
- 6. The 77th element on the periodic table (Ir)
- 9. An endagered native Hawaiian snail
- 10. A positively charged Ion
Down
- 1. A atom or molecule with a electrical charge
- 2. When a compound breaks into multiple substances
- 5. A negatively charged Ion
- 7. Makes up everything
- 8. Length x Width x Height