Atomic Element Z = 46 • Transition Metal
Palladium (Pd) — Atomic Data, Electron Shells & Reactions
Palladium (symbol Pd, atomic number 46) has a standard atomic weight of 106.42 u and ground-state configuration [Kr] 4d10.
Atomic Number (Z)
46
IUPAC Symbol
Pd
Standard Atomic Weight
106.42 g/mol
Period / Group / Block
5 / 10 / d-block
Condensed Electron Config
[Kr] 4d10
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10
Principal Shell Occupancy
[2, 8, 18, 18]
Pauling Electronegativity
2.2
First Ionization Energy
804 kJ/mol
Covalent Radius
139 pm
Melting Point
1828.05 K (1554.90 °C)
Boiling Point
3236 K (2962.85 °C)
Density
12.02 g/cm³
Oxidation States
+2, +4
Pd (Z=46) — Valence shell highlighted in vermilion