150TH ANNIVERSARY OF THE PERIODIC TABLE OF ELEMENTS: A MULTIDISCIPLINARY VIEW ON DISCOVERY AND DEVELOPMENT
The United Nations General Assembly declared 2019 as the "International Year of the Periodic Table of Chemical Elements" - IYPT 2019. Discovery of the Periodic Table by D.I. Mendeleev in 1869 is one of the most significant achievements of mankind. Due to outstanding knowledge in different fields of sciences, Mendeleev systematized the properties of chemical elements, known at that time. He developed the Periodic Table, placing the elements with increasing of atomic weight, and formulated the Periodic Law, which, remained in force for many decades in spite of new development. The multidisciplinary nature of the discovery and development of the periodic system of elements is considered in the lecture.