Atomic Number
46
Palladium is a chemical element with symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston.
46
106.42 u
transition metal
solid
12.023 g/cm³
2, 8, 18, 18
Protons: 46 • Electrons: 46 • Neutrons: Varies by isotope
Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d¹⁰
1803 • William Hyde Wollaston