Palladium-116

Properties and data of the isotope ¹¹⁶Pd.

Contents

General data

Name of the isotope:Palladium-116; Pd-116Symbol:¹¹⁶Pd or 11646PdMass number A:116 (= number of nucleons)Atomic number Z:46 (= number of protons)Neutrons N:70Isotopic mass:115.914297(8) u (atomic weight of Palladium-116)Nuclide mass:115.8890636 u (calculated nuclear mass without electrons)Mass excess:-79.83183 MeVMass defect:1.052198592 u (per nucleus)Nuclear binding energy:980.11667526 MeV (per nucleus)
8.44928168 MeV (average binding energy per nucleon)Separation energy:S_N = 7.477(15) MeV (first neutron)
S_P = 12.891(20) MeV (first proton)Half-life:11.8(4) sDecay constant λ:0.058741286488131 s^-1Specific activity α:3.076072187177 × 10⁺²⁰ Bq g^-1
8313708613.9935 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1970

Radioactive Decay

Half-life T_½ = 11.8(4) s respectively 1.18 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹⁶Ag	100 %	2.711(8) MeV

Parent Nuclides

Direct parent isotopes are: ¹¹⁶Rh, ²⁵²Cf.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 70) and isobaric (same nucleon number A = 116) with Palladium-116. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 70	Isobar A = 116
39	¹⁰⁹Y
40	¹¹⁰Zr
41	¹¹¹Nb
42	¹¹²Mo	¹¹⁶Mo
43	¹¹³Tc	¹¹⁶Tc
44	¹¹⁴Ru	¹¹⁶Ru
45	¹¹⁵Rh	¹¹⁶Rh
46	¹¹⁶Pd	¹¹⁶Pd
47	¹¹⁷Ag	¹¹⁶Ag
48	¹¹⁸Cd	¹¹⁶Cd
49	¹¹⁹In	¹¹⁶In
50	¹²⁰Sn	¹¹⁶Sn
51	¹²¹Sb	¹¹⁶Sb
52	¹²²Te	¹¹⁶Te
53	¹²³I	¹¹⁶I
54	¹²⁴Xe	¹¹⁶Xe
55	¹²⁵Cs	¹¹⁶Cs
56	¹²⁶Ba	¹¹⁶Ba
57	¹²⁷La	¹¹⁶La
58	¹²⁸Ce
59	¹²⁹Pr
60	¹³⁰Nd
61	¹³¹Pm
62	¹³²Sm
63	¹³³Eu
64	¹³⁴Gd
65	¹³⁵Tb