Across
- 2. Orbits the nucleus
- 4. found to the right of the stair step
- 5. Only nonmetal on the stair step
- 9. Compound its symbol is H2O
- 12. the organization of all elements
- 14. Multiple elements together
- 18. Symbol is Cl
- 19. Symbol is Na
- 20. weight of a element
Down
- 1. On the stair step of the table
- 3. On the bottom of the periodic table
- 6. Not fully metal
- 7. Positively charged particle
- 8. Builds up everything
- 10. the size of a element
- 11. Negatively charged particles
- 13. the basic form of everything
- 15. in the center of a atom
- 16. Symbol is Si
- 17. Multiple substances together can be separated