Across
- 3. The most reactive element on The Periodic Table.
- 5. The modern-day Periodic Table is organized by increasing atomic ___.
- 6. These are good conductors of energy.
- 8. These elements are usually gases, except sulfur, Phosphorus, and Bromine.
- 11. These rays have the shortest wavelength.
- 15. This is a negatively charged, subatomic particle found in all atoms.
- 17. Least reactive elements on The Periodic Table.
- 19. The ability of an atom to attract electrons from another element.
- 20. The greek word for frequency.
Down
- 1. These elements share the properties of nonmetals and metals.
- 2. As wavelength decreases, frequency ____.
- 4. This principle states that electrons must occupy the lowest energy level first.
- 7. The greek word for wavelength.
- 9. Electrons move and behave like ____.
- 10. On the Aufbau Diagram, electrons are depicted as ___.
- 12. Published the first version of The Periodic Table.
- 13. What is the height of the wave from zero to crest?
- 14. The name of the elements in group 7A.
- 16. How many electrons can each orbital hold?
- 18. The number of orbitals block F contains.