Across
- 3. what dead dinosaurs have made
- 7. the planet we live on
- 8. hydroxide ions dissolve in water
- 10. two atoms physically combined
- 11. tells how acidic something is
Down
- 1. a homogenous mixture
- 2. hundreds of atoms
- 4. there is 8 of them in our solar system
- 5. when the triceratops lived
- 6. when the T-rex lived
- 9. smallest part of an organism
- 12. increases how many hydronium ions dissolve in water