Across
- 2. the answer is mas + one s
- 6. a group of atoms bonded together
- 8. how dense something is
- 9. a substance made of only one kind of atom
Down
- 1. Area x length x height
- 2. 2 or more types of atoms that aren't chemically bonded
- 3. something that matter takes up
- 4. 2 or more atoms that are chemically bonded
- 5. how heavy something is
- 7. the most basic form of matter