Input interpretation
group 11 elements | Aufbau diagram
Results
copper | 3d 4s silver | 4d 5s gold | 5d 4f 6s roentgenium | 6d 5f 7s
group 11 elements | Aufbau diagram | {3d 4s , 4d 5s , 5d 4f 6s , 6d 5f 7s } ()