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|
Mendeleev's Tabelle II
Click here for the large version of the above.
Mendeleev's Tabelle II can be shown in semi-modern form with the 'missing' group 18 rare gases and the f-block elements:
An alternative version of Mendeleev's Tabelle II:
|Periodic Table, What is it showing?||
© Mark R. Leach 1999-
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