Palladium-108

Properties and data of the isotope ¹⁰⁸Pd.

Contents

General data

Name of the isotope:Palladium-108; Pd-108Symbol:¹⁰⁸Pd or 10846PdMass number A:108 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:62Isotopic mass:107.903892(8) u (atomic weight of Palladium-108)Nuclide mass:107.8786586 u (calculated nuclear mass without electrons)Mass excess:-89.52403 MeVMass defect:0.993284264 u (per nucleus)Nuclear binding energy:925.23833221 MeV (per nucleus)
8.56702159 MeV (average binding energy per nucleon)Separation energy:S_N = 9.2229(16) MeV (first neutron)
S_P = 9.949(12) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:4.5563(27) femtometer fmYear of discovery:1935

Parent Nuclides

Direct parent isotopes are: ¹⁰⁸Ag, ¹⁰⁸Rh.

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 = 62) and isobaric (same nucleon number A = 108) with Palladium-108. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 62	Isobar A = 108
35	⁹⁷Br
36	⁹⁸Kr
37	⁹⁹Rb
38	¹⁰⁰Sr
39	¹⁰¹Y	¹⁰⁸Y
40	¹⁰²Zr	¹⁰⁸Zr
41	¹⁰³Nb	¹⁰⁸Nb
42	¹⁰⁴Mo	¹⁰⁸Mo
43	¹⁰⁵Tc	¹⁰⁸Tc
44	¹⁰⁶Ru	¹⁰⁸Ru
45	¹⁰⁷Rh	¹⁰⁸Rh
46	¹⁰⁸Pd	¹⁰⁸Pd
47	¹⁰⁹Ag	¹⁰⁸Ag
48	¹¹⁰Cd	¹⁰⁸Cd
49	¹¹¹In	¹⁰⁸In
50	¹¹²Sn	¹⁰⁸Sn
51	¹¹³Sb	¹⁰⁸Sb
52	¹¹⁴Te	¹⁰⁸Te
53	¹¹⁵I	¹⁰⁸I
54	¹¹⁶Xe
55	¹¹⁷Cs
56	¹¹⁸Ba
57	¹¹⁹La
58	¹²⁰Ce
59	¹²¹Pr