Across
- 5. a branch of science that deals with the identification of substances such as elements and matter
- 7. mixture is the same
- 9. material does change
- 10. able to dissolve other substances
- 11. something that happens unexpectedly
- 15. mass of an atom
- 16. material does not change
- 17. a change in state could be an example
- 19. a particle in a nucleus that go with protons and electrons
- 21. the thing that comes out of a solution
Down
- 1. my favorite part of the day
- 2. the smallest part of an element
- 3. mixture is not the same
- 4. an example could be color or smell
- 6. A chemist who discovered elements and created the periodic table of elements
- 8. materials mixed together
- 12. atoms bonded together
- 13. a substance that undergoes a change during a reaction
- 14. a particle in the nucleus that surround the protons and neutrons
- 18. a substance that can no longer be broken down into smaller pieces
- 20. a particle in a nucleus that go with neutrons and electrons