Across
- 2. property: any characteristic of matter that you can observe or measure without changing it into a new substance
- 4. mixture: two or more substances that are not evenly mixed
- 6. change: change in which no new substances are formed
- 8. center of an atom
- 9. building blocks of matter
- 11. made of only one kind of atom
- 12. change: any change that causes a new substance to form
- 13. combination of two or more substances
- 14. positively charged particle
Down
- 1. negatively charged particle
- 3. particle with no charge
- 5. anything that has mass and takes up space
- 7. mixture: two or more substances that are evenly mixed
- 10. property: describes how a substance reacts
- 12. made of two or more atoms joined together