Across
- 1. characteristics or traits that you can use to describe matter by observation, measurement, or combination
- 4. two or more atoms that bond together (can be same type or different)
- 9. two or more different atoms that bond
- 10. particles with no charge (neutral)
- 12. a physical property that will be the same regardless of the amount of matter
- 14. negatively charged particles
- 15. two or more atoms or molecules not chemically joined
- 16. is calculated by adding the masses of the protons and neutrons in an atom
- 17. smallest unique particles of matter in the universe
- 18. mixture with components physically separated
Down
- 1. observable trait without changing substance into new matter
- 2. pure substance that is made from a single type of atom
- 3. mixture with components mixed together evenly
- 5. observable trait that changes a substance into new matter
- 6. any substance that has mass and takes up space by having volume
- 7. the number of protons in every atom of the element
- 8. measurement of the pull of gravity on an object
- 11. the ability to do work
- 13. positively charged particles
- 15. measure of amount of atoms (matter) something contains
- 19. a physical property that will change if the amount of matter changes