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Chemistry of superheavy elements
1KPII-Kernchemie, Gesellschaft für Schwerionenforschung mbH, Planckstrasse 1, 64291 Darmstadt, Germany. m.schaedel@gsi.de
Angewandte Chemie (International Ed. in English)
|December 21, 2005
Summary
Discoveries in superheavy element chemistry are advancing, probing the properties of man-made elements at the Periodic Table's end. Sensitive techniques analyze single atoms to understand relativistic effects on chemical behavior.
Area of Science:
- Nuclear Chemistry
- Atomic Physics
- Relativistic Quantum Chemistry
Background:
- The number of known chemical elements has expanded significantly, particularly with the synthesis of superheavy elements.
- These elements reside at the extreme end of the Periodic Table, an area where relativistic effects become pronounced.
Purpose of the Study:
- To review the experimental advancements in superheavy element chemistry.
- To explore the chemical properties of these elusive elements and the influence of relativistic effects.
- To provide context with historical, nuclear, and theoretical aspects.
Main Methods:
- Utilizing advanced, highly sensitive techniques for chemical analysis.
- Isolating and studying individual atoms (one-atom-at-a-time) of short-lived superheavy elements.
- Comparing experimental findings with theoretical predictions, including relativistic quantum chemistry.
Main Results:
- Experimental data is beginning to reveal the basic chemical properties of superheavy elements.
- These properties are influenced by strong relativistic effects, challenging existing chemical models.
- The architecture of the far-end of the Periodic Table is being experimentally tested.
Conclusions:
- Superheavy element chemistry is an emerging field providing critical insights into fundamental chemical principles.
- Relativistic effects play a crucial role in determining the chemistry of these elements.
- Experimental and theoretical approaches are essential for understanding this new frontier of chemistry.