The Periodic Table

Mendeleiev and the Periodic Table

History of discovery

The International Year of the Periodic Table of Chemical Elements in 2019 will commemorate a remarkable series of important milestones in the history of the Periodic Table of Chemical Elements dating back 2800, 350, 230, 190, 150, and 80 years... read more here.

From Classification to Law, from Law to System and finally from System to Table

The Periodic Table (System) was discovered in an era when atomic structures and electrons where not known, and equipment to purify and separate elements was still primitive. The discoveries of Mendeleiev, Meyer and others are therefore to be seen as immense... read more here.

How to arrange the chemical elements? The story of a Table

The familiar Table didn’t actually start (or end) with Mendeleiev. Many had tinkered with arranging the elements. There was plenty of experimentation with alternative layouts for the elements, with some weird and wonderful twists. ... read more here.

Discovery of new elements of the Periodic Table

After the discovery in 1940-41 of the first artificial elements – neptunium and plutonium – the problem of the boundaries of the Periodic Table, the nuclear and chemical properties of the extremely heavy nuclei turned out to be of fundamental interest for natural scientists. Studies have now been carried out for many years in the major research nuclear centers... read more here.

Using The Periodic Table

The Periodic Table arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic more here.

Books and articles on The Periodic Table

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