Chemistry Vocabulary
Across
- 2. the smallest particle of an element that retains its identity
- 5. in motion
- 9. observed or measured without changing the composition
- 11. a substance present at the start of a reaction
Down
- 1. containing carbon
- 3. anything that has mass and occupies space
- 4. a substance produced in a chemical reaction
- 6. the study of the composition of matter
- 7. substance that contains two or more elements
- 8. the simplest form of matter
- 10. measure of amount of matter