46
Pd
Palladium
Transition metal period 5 group 10 d-block discovered: 1803
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 46
- Atomic mass
- 106.42 a.m.u.
- Electron configuration
- [Kr]4d10
- Electronegativity
- 2.2 on the Pauling scale
- Atomic radius
- 202 pm
- Ionization energy
- 8.337 eV
- Electron affinity
- 0.557 eV
- Oxidation states
- +3, +2
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Solid
- Melting point
- 1828.05 K (1 554,9 °C)
- Boiling point
- 3236 K (2 962,85 °C)
- Density
- 12.0 g/cm³