Palladium
Transition Metal
Palladium (Pd) is a chemical element with atomic number 46, classified as a transition metal. At room temperature it is a solid. It was discovered in 1803 by William Hyde Wollaston.
Properties
- Atomic number
- 46
- Atomic mass
- 106.42 u
- Category
- Transition Metal
- Group
- 10
- Period
- 5
- Block
- d-block
- Electron configuration
- [Kr] 4d¹⁰
- Phase at STP
- Solid
- Density
- 12.02 g/cm³
- Melting point
- 1828.05 K (1554.9 °C)
- Boiling point
- 3236 K (2962.8 °C)
- Electronegativity
- 2.2
- Atomic radius
- 169 pm
- Ionization energy
- 8.337 eV
- Discovery
- 1803 · William Hyde Wollaston
Common uses
Catalytic converters, jewelry, dentistry, electronics
Did you know?
Can absorb 900 times its volume in hydrogen gas.