Across
- 3. a ___________ change is a change of one state to another without the change in chemical composition
- 5. positive charged particle in the nucleus
- 7. change, a change in matter that produces one or more new substances
- 8. the change from solid to gas
- 9. pure substance that cannot be broken down into any other substances
- 11. a horizontal row of elements in the periodic table
- 12. a compound that contains carbon and hydrogen
- 18. parts of a mixture that are evenly distributed
- 20. when you add water and food coloring and the water ends up being very dark, this is a ______________ solution
- 21. the change from a liquid to gas
Down
- 1. table, a place you can find all the known elements
- 2. negatively charged particle outside the nucleus
- 4. parts of a mixture that are not evenly distributed
- 6. anything that has mass and takes up space
- 10. fastest form of matter
- 13. a substance that is made up of atoms of two or more different elements
- 14. a _____________ electron is on the outermost energy level of an atom
- 15. the fastest form of matter in the universe
- 16. a homogeneous mixture of one or more solutes dissolved in a solvent
- 17. atoms of the same element that have different number of neutrons
- 19. neutrally charged particle in the nucleus