Palladium

Transition metal · 106.42 u · group 10, period 5

Palladium · Pd

Atomic number46

SymbolPd

CategoryTransition metal

Standard stateSolid

Group · Period · Block10 · 5 · d

Electron configuration[Kr]4d10

Atomic mass106.42 u

Atomic radius202 pm

Protons / Neutrons / Electrons46 / 60 / 46

Shells (e⁻ per shell)2, 8, 18, 18

Electronegativity (Pauling)2.2

Ionization energy8.337 eV

Electron affinity0.557 eV

Oxidation states+3, +2

Melting point1.83e+3 K · 1.55e+3 °C

Boiling point3.24e+3 K · 2.96e+3 °C

Density12 g/cm³

Year discovered1803

CPK color

#6985

State at room temp (25 °C)

solid

Position