46Pd106.42

Palladium (Pd) – element 46

Palladium is a chemical element with the symbol Pd and atomic number 46. It is a transition metal in group 10, period 5 of the periodic table (d-block), and is a solid at room temperature.

Palladium (Pd) has atomic number 46, atomic mass 106.42 u and electron configuration [Kr] 4d10.

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Palladium facts

SymbolPd
Atomic number46
Atomic mass106.42 u (g/mol)
Categorytransition metal
Groupgroup 10
Period5
Blockd-block
Phase at 20 °CSolid
Electron configuration1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10
Noble-gas notation[Kr] 4d10
Electrons per shell2, 8, 18, 18

Bohr model and shells

Pd

Palladium has 46 electrons in 4 shells: 2, 8, 18, 18. Full configuration and noble-gas notation are in the table; work out any element or ion with the electron configuration calculator.

Physical and atomic properties

Melting point1828.05 K (1554.9 °C)
Boiling point3236 K (2962.8 °C)
Density12.023 g/cm³
Electronegativity (Pauling)2.2
Electron affinity54.24 kJ/mol
Ionization energies804.4, 1870, 3177 kJ/mol (1st, 2nd, 3rd)
Molar heat capacity25.98 J/(mol·K)
Discovered byWilliam Hyde Wollaston

Use the atomic mass in the molar mass calculator for any formula containing Pd.

Position in the periodic table

HydrogenHHeliumHeLithiumLiBerylliumBeBoronBCarbonCNitrogenNOxygenOFluorineFNeonNeSodiumNaMagnesiumMgAluminiumAlSiliconSiPhosphorusPSulfurSChlorineClArgonArPotassiumKCalciumCaScandiumScTitaniumTiVanadiumVChromiumCrManganeseMnIronFeCobaltCoNickelNiCopperCuZincZnGalliumGaGermaniumGeArsenicAsSeleniumSeBromineBrKryptonKrRubidiumRbStrontiumSrYttriumYZirconiumZrNiobiumNbMolybdenumMoTechnetiumTcRutheniumRuRhodiumRhPalladiumPdSilverAgCadmiumCdIndiumInTinSnAntimonySbTelluriumTeIodineIXenonXeCesiumCsBariumBaLanthanumLaCeriumCePraseodymiumPrNeodymiumNdPromethiumPmSamariumSmEuropiumEuGadoliniumGdTerbiumTbDysprosiumDyHolmiumHoErbiumErThuliumTmYtterbiumYbLutetiumLuHafniumHfTantalumTaTungstenWRheniumReOsmiumOsIridiumIrPlatinumPtGoldAuMercuryHgThalliumTlLeadPbBismuthBiPoloniumPoAstatineAtRadonRnFranciumFrRadiumRaActiniumAcThoriumThProtactiniumPaUraniumUNeptuniumNpPlutoniumPuAmericiumAmCuriumCmBerkeliumBkCaliforniumCfEinsteiniumEsFermiumFmMendeleviumMdNobeliumNoLawrenciumLrRutherfordiumRfDubniumDbSeaborgiumSgBohriumBhHassiumHsMeitneriumMtDarmstadtiumDsRoentgeniumRgCoperniciumCnNihoniumNhFleroviumFlMoscoviumMcLivermoriumLvTennessineTsOganessonOg

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Frequently asked questions

What is the atomic mass of palladium?

The atomic mass of palladium is 106.42 u, so one mole of palladium atoms weighs 106.42 g.

What is the electron configuration of palladium?

Palladium has 46 electrons: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 4d¹⁰, or [Kr] 4d¹⁰ in noble-gas notation. Electrons per shell: 2, 8, 18, 18.

Is palladium a metal?

Yes. Palladium is a transition metal.

Where is palladium on the periodic table?

Palladium is in group 10, period 5, in the d-block.

Data: Periodic-Table-JSON (CC BY-SA 3.0); standard atomic weights from IUPAC (abridged). Values in brackets are the mass number of the longest-lived isotope.