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Understanding the Elements: The physics and symmetry of the periodic table of the elements

The Science Teacher—February 2001

The Periodic Table of the Elements, or the Mendeleev Chart, is the starting point for chemistry and critical for learning physics as well. This article is an effort to explain, from fundamentals, how the periodic table became the way it is, and in doing so, it touches on quantum theory and the all important concept of symmetry.
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