![Palladium (Pd). Diagram of the nuclear composition and electron configuration of an atom of palladium-106 (atomic number: 46), the most common isotope Stock Photo - Alamy Palladium (Pd). Diagram of the nuclear composition and electron configuration of an atom of palladium-106 (atomic number: 46), the most common isotope Stock Photo - Alamy](https://c8.alamy.com/comp/2AD04GK/palladium-pd-diagram-of-the-nuclear-composition-and-electron-configuration-of-an-atom-of-palladium-106-atomic-number-46-the-most-common-isotope-2AD04GK.jpg)
Palladium (Pd). Diagram of the nuclear composition and electron configuration of an atom of palladium-106 (atomic number: 46), the most common isotope Stock Photo - Alamy
![ELI5: How is Palladium able to cram all its electrons into it's first 4 valence shells, but the elements both above AND below it are forced to use their 5th shell? : ELI5: How is Palladium able to cram all its electrons into it's first 4 valence shells, but the elements both above AND below it are forced to use their 5th shell? :](https://external-preview.redd.it/7wPcIZfACSejBLD7haCQxLkUsmlxts3gJscWRY2vMWw.jpg?auto=webp&s=073e556447856ed98ab0c80f0fad358979ffcb47)
ELI5: How is Palladium able to cram all its electrons into it's first 4 valence shells, but the elements both above AND below it are forced to use their 5th shell? :
![Molecules | Free Full-Text | Orbital Interaction and Electron Density Transfer in PdII([9]aneB2A)L2 Complexes: Theoretical Approaches Molecules | Free Full-Text | Orbital Interaction and Electron Density Transfer in PdII([9]aneB2A)L2 Complexes: Theoretical Approaches](https://pub.mdpi-res.com/molecules/molecules-18-12687/article_deploy/html/images/molecules-18-12687-g002.png?1537180000)
Molecules | Free Full-Text | Orbital Interaction and Electron Density Transfer in PdII([9]aneB2A)L2 Complexes: Theoretical Approaches
![Frontier molecular orbital diagrams for the platinum, palladium and... | Download Scientific Diagram Frontier molecular orbital diagrams for the platinum, palladium and... | Download Scientific Diagram](https://www.researchgate.net/publication/328919031/figure/fig7/AS:705675973902338@1545257671350/Frontier-molecular-orbital-diagrams-for-the-platinum-palladium-and-nickel-complexes-of.png)
Frontier molecular orbital diagrams for the platinum, palladium and... | Download Scientific Diagram
![A Ketimide-Stabilized Palladium Nanocluster with a Hexagonal Aromatic Pd7 Core | Inorganic Chemistry A Ketimide-Stabilized Palladium Nanocluster with a Hexagonal Aromatic Pd7 Core | Inorganic Chemistry](https://pubs.acs.org/cms/10.1021/acs.inorgchem.9b03276/asset/images/large/ic9b03276_0010.jpeg)