Discover the evolution of the Periodic Table of Elements through key figures like Doberiner, Dechancourtois, Mendeleyev, and Seaborg. Learn how each pioneer contributed to the organization and understanding of elements. Find out why elements are placed where they are and how valence electrons influence properties. Uncover the significance of transition metals and their multiple oxidation states. Dive into the history of the Periodic Table’s development and the impact of each major player…