The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

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 ...

If you think back to middle school chemistry, you’ll probably remember trying to memorize the Periodic Table of the Elements. Perhaps the Tom Lehrer song is still ingrained in your head: I wish my ...