Across
- 3. a way to understand elements
- 4. has uniform properties
- 5. has mass and takes up space
- 6. basic building block of matter
- 8. cannot be broken physically
- 9. when two chemicals are put together really well
Down
- 1. two elements bonded together
- 2. characteristics of matter
- 5. two element mixed together
- 7. made of one type of atom