Across
- 2. Energy levels
- 3. Shares electrons
- 7. negatively charged
- 9. Pawstive :3c
- 10. positively charged
- 11. Mass of whole elements
- 13. Vertical Columns
Down
- 1. Electrons last in the energy rings
- 4. the center of a cell
- 5. Negative
- 6. Different numbers of neutrons
- 8. Neutrally charged
- 10. Horizontal rows
- 12. Amount of Protons and Electrons