Electron Configuration of Silver Oxalate - Chemistry Olympiad Practice

The silver ion in silver oxalate (Ag₂C₂O₄) has the same electron configuration (ground state) as...<br />A. In³⁺<br />B. Kr<br />C. Pd²⁺<br />D. Au⁺<br />E. Cd<br /><br />#ChemistryOlympiad