Across
- 4. a substance that's formed when 2 or more elements combine
- 5. a chemical reaction that gives off heat energy
- 7. when molecules have the ability to stick
- 8. the smallest unit of an element that has the properties of it
- 9. a change in matter that isn't chemically
- 10. a chemical reaction that absorbs heat
- 12. a measure of the average kinetic energy
- 13. the forces that hold atoms together
- 14. something that makes up space and has mass
- 15. a combination of 2 or more substances that can be easily separated
- 16. the study of the make up of all things
Down
- 1. the amount of space that something takes up
- 2. a pure substance that cannot be broken down any more
- 3. ex) texture color odor melting point etc..
- 4. a process that changes substances into a new one
- 6. the amount of matter in an object
- 7. a characteristic of a substance that is measurable during a chemical reaction
- 11. the substances present before a chemical reaction occurs