Palladium-106

Properties and data of the isotope ¹⁰⁶Pd.

Contents

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:S_N = 9.56096(28) MeV (first neutron)
S_P = 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

Parent Nuclides

Direct parent isotopes are: ¹⁰⁶Ag, ¹⁰⁶Rh.

Occurrence

Comparison of the natural Palladium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	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.

Z	Isotone N = 60	Isobar A = 106
34	⁹⁴Se
35	⁹⁵Br
36	⁹⁶Kr
37	⁹⁷Rb
38	⁹⁸Sr	¹⁰⁶Sr
39	⁹⁹Y	¹⁰⁶Y
40	¹⁰⁰Zr	¹⁰⁶Zr
41	¹⁰¹Nb	¹⁰⁶Nb
42	¹⁰²Mo	¹⁰⁶Mo
43	¹⁰³Tc	¹⁰⁶Tc
44	¹⁰⁴Ru	¹⁰⁶Ru
45	¹⁰⁵Rh	¹⁰⁶Rh
46	¹⁰⁶Pd	¹⁰⁶Pd
47	¹⁰⁷Ag	¹⁰⁶Ag
48	¹⁰⁸Cd	¹⁰⁶Cd
49	¹⁰⁹In	¹⁰⁶In
50	¹¹⁰Sn	¹⁰⁶Sn
51	¹¹¹Sb	¹⁰⁶Sb
52	¹¹²Te	¹⁰⁶Te
53	¹¹³I
54	¹¹⁴Xe
55	¹¹⁵Cs
56	¹¹⁶Ba
57	¹¹⁷La