Across
- 1. what atoms do during a chemical reaction.
- 3. a starting substance that is part of a chemical reaction
- 4. when the atoms within molecules break their existing bonds and form new bonds
- 6. smallest unit of matter
- 8. an ending substance that is made during a chemical reaction
- 10. The chemical formula for this atom is the Capital letter H
- 11. chemical formula for water
Down
- 2. another name for an atom.
- 5. chemical formula for table salt or sodium
- 7. made up of two or more atoms
- 9. The chemical formula for this atom is the Capital C