Palladium (Pd) - Element 46 | Properties & Electron Configuration
What is Palladium?
Palladium (Pd) is element 46, a transition metal in period 5, group 10. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰.
| Atomic Number | 46 |
| Symbol | Pd |
| Atomic Mass | 106.42 u |
| Category | Transition Metal |
| Period | 5 |
| Group | 10 |
| Block | d |
| Electron Configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ |
| Short Config | [Kr] 4d¹⁰ |
| Electronegativity | 2.2 |
| Atomic Radius | 137 pm |
| Ionization Energy | 804 kJ/mol |
| Electron Affinity | 54 kJ/mol |
| Phase (STP) | Solid |
Electron Configuration
The full electron configuration of Palladium is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰. In noble gas shorthand, this is written as [Kr] 4d¹⁰.
Palladium is a d-block element in group 10, period 5.
Periodic Trends
Electronegativity: Palladium has a Pauling electronegativity of 2.2. Within group 10, electronegativity generally decreases down the group.
Atomic Radius: 137 pm. Across period 5, atomic radius generally decreases left to right as nuclear charge increases.
Ionization Energy: 804 kJ/mol. Ionization energy generally increases across a period and decreases down a group.
View all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.
Explore Palladium on the Interactive Periodic TableRelated Topics
Nickel (Ni)
Properties of Nickel - same group as Palladium
Platinum (Pt)
Properties of Platinum - same group as Palladium
Darmstadtium (Ds)
Properties of Darmstadtium - same group as Palladium
Rubidium (Rb)
Properties of Rubidium - same period as Palladium
Strontium (Sr)
Properties of Strontium - same period as Palladium
Yttrium (Y)
Properties of Yttrium - same period as Palladium