See also: List of individual Palladium isotopes (and general data sources).
General data
Name of the isotope:Palladium-106; Pd-106Symbol:106Pd or 10646PdMass number A:106 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:60Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.304347826087 (= neutron-proton ratio)Neutron excess (N-Z):14Isotopic mass:105.903480(8) u (atomic weight of Palladium-106)Nuclide mass:105.8782466 u (calculated nuclear mass without electrons)Mass excess:-89.9078 MeVMass defect:0.97636643199999 u (per nucleus)Nuclear binding energy:909.47947321 MeV (per nucleus) 8.57999503 MeV (average binding energy per nucleon)Separation energy:SN = 9.56096(28) MeV (first neutron) SP = 9.3453(24) MeV (first proton)Half-life:stableSpin and parity: (nuclear angular momentum)0+Charge radius:4.5318(28) femtometer fmYear of discovery:1935
Comparison of the natural Palladium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):
Atomic Mass ma
Quantity
Half-life
Spin
Palladium Isotopic mixture
106.42 u
100 %
Isotope 102Pd
101.90560(2) u
1.02(1) %
stable
0+
Isotope 104Pd
103.904031(9) u
11.14(8) %
stable
0+
Isotope 105Pd
104.905080(8) u
22.33(8) %
stable
5/2+
Isotope 106Pd
105.903480(8) u
27.33(3) %
stable
0+
Isotope 108Pd
107.903892(8) u
26.46(9) %
stable
0+
Isotope 110Pd
109.905172(5) u
11.72(9) %
stable
0+
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 60) and isobaric (same nucleon number A = 106) with Palladium-106. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
