The Janet Periodic Table of Elements

[chemguy]

The Janet Periodic Table of Elements (1929) seems more "consistent"
than the modern form. The location of any element (row, column) is
directly related to the quantum numbers of the most significant
electron of the element. Please see;

http://ca.geocities.com/chemguy777/index.htm

 

[mathman]

There appears to be at least one glaring flaw. He is in the same column as the valence 2 metals (Be, Ca, etc.) rather than with the inert gases (Ne, Ar, etc.).