32 Videos: The Periodic Table

An introduction to the Periodic Table, discussing Mendeleev’s original periodic table. Metal, nonmetal, and metalloid elements are identified by location, and we compare and contrast the physical properties of metals and nonmetals.

The Periodic Table: Crash Course Chemistry #4

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the universe, and it has a wealth of information to tell us if we can learn to read it.