The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...

propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.

(Full Chapter Deleted) Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic ...

Read below to find out. The credit for creating the modern periodic table goes to Dmitri Mendeleev, a Russian chemist, in 1869. While several scientists before him had attempted to classify ...