The Alternative Periodic Table
Besides traditional periodic table there are hundreds of alternative formulations. However, the most notable alternative is Left Step Periodic Table (LSPT), proposed by Charles Janet in 1928. Recent article in Foundations of Chemistry journal entitled "Charles Janet: unrecognized genius of the periodic system" by Oxford professor Dr. Philip Stewart is in many respects the first complete account of incredible discoveries made by the author of LSPT. One of them, for example, discovery of n+l rule at least 6 years before the Madelung! The article also discusses the late improvement of the LSPT: ADOMAH PT that can be found at [url]www.perfectperiodictable.com[/url] that is built strictly in accordance with electron configurations. I believe, that this alternative formulation of the periodic system is in many respects superior than the current IUPAC standard.