Curated OER
History of the Periodic Table
Learners sort a group of manipulatives and then explain their organizational system to the class. They discuss the work of scientists trying to organize the elements into a system that made sense and the development of the periodic table.
McGraw Hill
Mc Graw Hill Companies: Origins of the Quantum Theory
An indexing page for Chapter 27 (Origins of the Quantum Theory) of the companion web site for McGraw Hill's Contemporary College Physics textbook. Includes several worthy pages with chapter notes, simple definitions, online computer...
CK-12 Foundation
Ck 12: Chemistry: Periodic Law
[Free Registration/Login may be required to access all resource tools.] A tutorial that describes the origin of the periodic law.