The Periodic Table I: Historical Development and Essential Features

The Discovery of the Elements in the Periodic Table.- Chemical Valency: Its impact on the proposal of the Periodic Table and some thoughts about its current significance.- Periodic trends revealed by photoelectron studies of transition metal and lanthanide compounds.- The History, relevance and applications of the Periodic Table in geochemistry.- Chemistry at the Edge of the Periodic Table; The Importance of Periodic Trends on the Discovery of the Noble Gases and the Development of Noble-Gas Chemistry.- The Periodic Table as a Career Guide: A Journey to Rare Earths.- Discovery of the Transuranium Elements Inspired the Rearrangement of the Periodic Table and the Approach for finding New Elements.