Across
- 2. An atom that carries an electrical charge
- 3. Compounds that combine with oxygen
- 7. Law of Conservation of Matter
- 9. Two atoms with different numbers of neutrons
- 10. Large and heavy like protons have no electrical charge
Down
- 1. 1 more electron than proton
- 4. Designer of the periodic table
- 5. Much larger and heavier than electrons have a positive charge
- 6. 1 less electron than proton
- 8. Tiny, very light particles Have a negative electrical charge