Across
- 3. simplest particle of an element
- 4. two or more atoms chemically bonded
- 7. a change in the chemistry
- 8. particles are visible in the mixture
- 10. last column
Down
- 1. group 1
- 2. two or more elements chemically bonded
- 5. atoms and molecules
- 6. compounds and molecules mixed together
- 9. a change in size or shape