46 Pd 106.421
Palladium
transition metal
Properties
- Atomic number
- 46
- Atomic mass
- 106.421 u
- Category
- transition metal
- Group
- 10
- Period
- 5
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 18
- Electronegativity
- 2.2 (Pauling)
- Density
- 12.023 g/cm³
- Melting point
- 1554.9 °C
- Boiling point
- 2962.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d¹⁰
Noble-gas shorthand: [Kr] 4d¹⁰
Electrons per shell: 2, 8, 18, 18 — that's 18 in the outermost shell.
About Palladium
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. He named it after the asteroid Pallas, which was itself named after the epithet of the Greek goddess Athena, acquired by her when she slew Pallas.
- Discovered by William Hyde Wollaston
- Appearance: silvery white
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.