Chemical Structure (IMAGE) The University of Hong Kong Caption Chemical structure of the Au (Element Gold) and Ag (Element Silver) complex, and the calculation results showing stronger Au-Au Pauli repulsion than the Ag-Ag Pauli repulsion. Credit The University of Hong Kong Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.