Understanding the Periodic Table

2. From Triads to Tables and the Role of Protons

29m

3. How Electrons Shape the Table

31m

4. Periodic Trends in Element Properties

29m

5. The Origin and Distribution of the Elements

30m

6. Elements Break Down: Radiation and Fission

30m

7. First-Row Opposites: Hydrogen and Helium

32m

8. Sodium, Potassium, and the Alkali Metals

33m

9. Magnesium, Calcium, and the Alkaline Earths

32m

10. Enormous Variety on the Table's Right Side

33m

11. Noble Gases: The "Lazy" Unreactive Elements

30m

12. Halogens: The Most Reactive Nonmetals

30m

13. Why Oxygen and Nitrogen Are Irreplaceable

34m

14. Complexity of Carbon, Sulfur, and Phosphorus

33m

15. Silicon and the Metalloid Diagonal

31m

16. Aluminum, Tin, Lead, and Other Weak Metals

31m

17. The Table's Great Divide: Transition Metals

31m

18. Colorful and Durable Early Transition Metals

30m

19. Magnets and Catalysts of the Middle Transition

29m

20. From Coins to Toxins: Copper to Mercury

29m

21. Rare-Earth Elements: Surprisingly Abundant

31m

22. Nuclear Fuel: Thorium, Uranium, and Plutonium

30m

23. Creating the Transplutonic Elements

30m

24. Superheavy Atoms and the Transfermium Wars

34m