Across
- 2. smallest unit of matter
- 6. 3D space where an electron is found majority of time
- 7. final molecules of a chemical reaction
- 8. elements with full valence shell
- 9. substance that cannot be broken down to other substances
- 11. a charged atom or molecule
- 12. starting molecules of a chemical reaction
Down
- 1. positively charged ion
- 3. anything that takes up space
- 4. negatively charged ion
- 5. substance consisting of two or more elements in a fixed ratio
- 10. capacity to cause change