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Four names officially added periodic table , Please periodic table: nihonium, moscovium, tennessine oganesson, discovered named japanese, russian american scientists.. https://www.nytimes.com/2016/12/01/science/periodic-table-new-elements.html Webelements periodic table elements, Interactive periodic table. clicking element brings list general properties data, information discovery, history, , geologic. http://webelements.com/ Dynamic periodic table, Interactive periodic table dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, compound search. full descriptions. http://www.ptable.com/