The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

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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 ...

In a significant breakthrough for the scientific community, a new element has been confirmed on the periodic table. This discovery holds potential implications for a wide range of scientific fields, ...

THE object of this work, as stated by the author in his preface, is one which should command hearty approval. The author aims at presenting a summary of the work done and the speculations advanced in ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...