EVOLUTION OF THE MODERN PERIODIC-TABLE

In this review, the evolution of the Modern Periodic Table is traced b eginning with the original version of Dimitri Mendeleev in 1869. Empha sis is placed on the upper end with a description of the revision to a ccommodate the actinide series of elements at the time of World War II and the more recent research on the observed and predicted chemical p roperties of the transactinide elements (beyond atomic number 103). A Modern Periodic Table includes undiscovered elements up to atomic numb er 118 and a Futuristic Periodic Table with additional undiscovered el ements up to atomic number 168 is included.