Across
- 2. 2 or more elements loosely combined
- 6. mixture with non-uniform components
- 7. mixture with uniform components
- 8. moving around the nucleus
Down
- 1. the center of an atom
- 2. 3 types of this everything is this
- 3. a group of atoms bonded together
- 4. one or more of one type of atom
- 5. everything is made of this
- 9. 2 or more elements chemically bound