Welcome! I came up with this new way of looking at the periodic table. It is called the Rota Period.
James L. Rota
© 2007 James L. Rota, Rotaperiod.com
About the Rota Period
Rota Period Explained (pdf)
Rota Period Abstract Published in JSE (pdf)
Atomic Radius, Electronegativity, Electropositivity, First Ionization Energy, Mass + Z, Metallic Properties and Oxidation State Trends
*** Iron (Fe) is an example of how multi valence elements are displayed.
Unknown Valence Elements: Sg, Bh, Hs, Mt, Ds, Rg, Uub, Uut, Uuq, Uup