The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table reflects ...
Despite their name, rare earth elements (REEs) are a relatively abundant group of 17 metallic elements. In fact, the three most abundant REEs, cerium, lanthanum, and neodymium, are more plentiful than ...
This lesson utilizes an adaptation of the board game Periodic: A Game of the Elements to help students better understand both general periodic trends and the law of conservation of energy. This ...
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