Across
- 1. two or more elements chemically bonded
- 4. line of metalloids on the periodic table
- 5. a substance that is not chemically bonded
- 8. one type of element...
- 10. another type of element...
Down
- 2. anything that takes up space or has mass
- 3. the building blocks of the universe
- 6. best science teacher ever
- 7. the thing that makes up the periodic table
- 9. some elements can be ...