Across
- 6. molecules with 2 or more different types of elements
- 8. forces holding atoms together due to electron sharing/stealing
- 9. a substance that cannot be broken down into simpler substances
- 11. two or more atoms bonded together
- 13. mixture that looks uniform even under a microscope
- 14. notation for atoms in a molecule
Down
- 1. matter with a fixed composition; all particles in a substance are exactly the same
- 2. describes substances that can mix together
- 3. smallest unit of an element
- 4. has mass and takes up space
- 5. two or more substances not chemically bonded
- 7. mixture of metals
- 10. describes substances that cannot mix together
- 12. mixture not evenly mixed