Across
- 2. a pure substance made up of only one type of atom.
- 5. the change of state from a solid to a liquid
- 7. describes the amount of matter in an object
- 9. the basic building blocks of matter
- 10. contains a variety of elements and compounds that are not chemically combined
- 12. the amount of space that an object takes up
- 14. a substance particle with no electrical charge
- 15. a substance that has definite volume but not a definite shape.
Down
- 1. something that takes up space and has mass
- 2. a subatomic particle with negative electrical charge
- 3. the number of protons in the nucleus of one of its atoms
- 4. a subatomic particle that has a positive electrical charge
- 6. a substance that doesn't have a definite shape or volume.
- 8. a substance that has definite shape and volume
- 11. a particle made up of different kinds of atoms chemically combined.
- 13. the measure of the amount of mass in a given volume