Yuichiro Nagame , Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai, Ibaraki, JP, 319-1195 | Heino Nitsche | Peter Schwerdtfeger | Zhi Qin | Christoph Duellmann

Searching for and producing new elements are extremely challenging subjects in recent advanced nuclear and radiochemistry. How many chemical elements may be synthesized on earth? How can they be produced? How long do they survive? Which properties determine their nuclear stability? What are their chemical and physical properties, and how are the orbital electron configurations affected in the strong electric field of heavy atoms? These are the most fundamental questions in chemistry. Chemical characterization of the transactinide elements with atomic number Z > 103 explores the new frontiers of the elements in the 7th period of the Periodic Table. The most important and fascinating aspect is to determine the chemical properties of these newly-synthesized elements at the uppermost end of the Periodic Table and to elucidate the influence of relativistic effects on the chemical properties of the heaviest elements. Study of nuclei at the limit of stability is also one of the most important and challenging subjects in nuclear chemistry. The scientific subjects of this symposium are focused on the recent advances and future prospects in transactinide element research with emphasis on chemical and nuclear properties of these elements as well as on the synthesis of new transactinide elements.