Across
- 3. Where electrons go
- 4. On the left side of the periodic table
- 6. Can hold 2 electrons
- 8. On the right side of the periodic table
- 9. On the staircase of the periodic table
- 13. Number of shells
- 15. Type of nonmetal
- 16. A table with elements
- 18. Made up of protons and electrons
- 19. Something that takes up space
- 20. Positively charged
Down
- 1. Can hold 8 electrons
- 2. Number of electrons
- 5. The number above the element's symbol
- 7. Whether or not an element will react
- 10. Are all over the periodic table
- 11. Neutral (or 0)
- 12. Type of metal
- 14. The basic unit of an element
- 17. Negatively charged