Across
- 4. Device originally called a voltaic pile.
- 6. His experiments helped establish the law of conservation of mass.
- 8. Pure substance made of two or more elements.
- 10. Negatively charged particle.
- 11. Explains why something happens in chemistry.
- 12. The center of the atom is called the …
- 14. Positively charged particle.
Down
- 1. Tried to change base metals into gold.
- 2. His atomic theory states that all matter is made of small particles.
- 3. Electrons are most likely found in the electron _____.
- 5. Decomposing a chemical compound by passing an electric current through it.
- 7. Pure substance made of one type of atom.
- 9. Uncharged particle.
- 13. Describes and summarizes what happens in chemistry.