Across
- 3. Atomic Number=2
- 5. Elements to the right on the Periodic Table
- 7. Positive charged subatomic particles
- 9. A metalloid that conducts electricity
- 10. Horizontal row on Periodic Table
- 12. Neutral subatomic particles
- 13. Atomic Number=20
- 16. Creator of today's Periodic Table
- 17. Group 8 Element
- 19. Elements that are "Stair-Stepped" on the Periodic Table
Down
- 1. Term for outermost path of electrons
- 2. Negatively charged subatomic particles
- 4. Atomic Number=6
- 6. System of arranging elements on the Periodic Table
- 8. Symbol=Na
- 11. Smallest part of the atom
- 14. Vertical column on Periodic Table
- 15. Elements to the left on the Periodic Table
- 18. Symbol=Au