Across
- 2. requires heat absorption
- 5. basic unit of chemical element
- 7. stable and firm
- 9. change during a reaction
- 10. needs movement from an effect
- 11. flows freely
- 13. doesn't have a lot of metal properties
- 14. ionized gas
Down
- 1. chemical element that has properties in between
- 3. release of heat
- 4. 2 or more separate elements
- 6. flows freely with some volume
- 8. aspect of something abstract
- 12. measured of/by inertia
- 15. a substance that has mass and takes up space