Palladium-102

Properties and data of the isotope ¹⁰²Pd.

Contents

General data

Name of the isotope:Palladium-102; Pd-102Symbol:¹⁰²Pd or 10246PdMass number A:102 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:56Isotopic mass:101.90560(2) u (atomic weight of Palladium-102)Nuclide mass:101.8803666 u (calculated nuclear mass without electrons)Mass excess:-87.93303 MeVMass defect:0.939586768 u (per nucleus)Nuclear binding energy:875.21943687 MeV (per nucleus)
8.58058271 MeV (average binding energy per nucleon)Separation energy:S_N = 10.542(5) MeV (first neutron)
S_P = 7.780(6) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:4.4827(44) femtometer fmYear of discovery:1935

Parent Nuclides

Direct parent isotopes are: ¹⁰²Ag, ¹⁰²Rh.

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 = 56) and isobaric (same nucleon number A = 102) with Palladium-102. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 56	Isobar A = 102
31	⁸⁷Ga
32	⁸⁸Ge
33	⁸⁹As
34	⁹⁰Se
35	⁹¹Br
36	⁹²Kr
37	⁹³Rb	¹⁰²Rb
38	⁹⁴Sr	¹⁰²Sr
39	⁹⁵Y	¹⁰²Y
40	⁹⁶Zr	¹⁰²Zr
41	⁹⁷Nb	¹⁰²Nb
42	⁹⁸Mo	¹⁰²Mo
43	⁹⁹Tc	¹⁰²Tc
44	¹⁰⁰Ru	¹⁰²Ru
45	¹⁰¹Rh	¹⁰²Rh
46	¹⁰²Pd	¹⁰²Pd
47	¹⁰³Ag	¹⁰²Ag
48	¹⁰⁴Cd	¹⁰²Cd
49	¹⁰⁵In	¹⁰²In
50	¹⁰⁶Sn	¹⁰²Sn
51	¹⁰⁷Sb
52	¹⁰⁸Te
53	¹⁰⁹I
54	¹¹⁰Xe