The INTERNET Database of Periodic Tables
|2019 has been designated the International Year of the Periodic Table as it is the 150th Anniversary of the formulation of Mendeleev's Tabelle I|
Arabic Periodic Tables
From Arabic introductory text published by the Royal Scientific Society, Amman, Jordan, 1984. Jeries A. Rihani, who provided the two images, writes:
"The first image shows a periodic table similar to that of the Janet left-step periodic table, but in an upside-down flipped format.The second image displays the comparative energy levels of orbitals of atoms of many electrons."
Thanks to Jeries A. Rihani for the tip!
|Periodic Table, What is it showing?||
© Mark R. Leach 1999-
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