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Platinum-196

Properties and data of the isotope 196Pt.


Content

See also: list of Platinum isotopes.

 

General data

Name of the isotope:Platinum-196; Pt-196Symbol:196Pt or 19678PtMass number A:196 (= number of nucleons)Atomic number Z:78 (= number of protons)Neutrons N:118Isotopic mass:195.964952(6) u (atomic weight of Platinum-196)Nuclide mass:195.9221673 u (calculated nuclear mass without electrons)Mass excess:-32.647 MeVMass defect:1.667860584 u (per nucleus)Nuclear binding energy:1553.60212683 MeV (per nucleus)
7.92654146 MeV (average binding energy per nucleon)
Separation energy:SN = 7.92198(13) MeV (first neutron)
SP = 8.2412(13) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
0+Charge radius:5.4307(27) femtometer fmYear of discovery:1935

 

Parent Nuclides

Direct parent isotopes are: 196Au, 196Ir.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Platinum
Isotopic mixture
195.084 u100 %
Isotope 190Pt189.95993(4) u0.012(2) %6.5(3) × 1011 a0+
Isotope 192Pt191.96104(2) u0.782(24) %stable0+
Isotope 194Pt193.962681(6) u32.864(410) %stable0+
Isotope 195Pt194.964792(6) u33.775(240) %stable1/2-
Isotope 196Pt195.964952(6) u25.211(340) %stable0+
Isotope 198Pt197.96789(2) u7.356(130) %stable0+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 118) and isobaric (same nucleon number A = 196) with Platinum-196. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 118Isobar A = 196
72190Hf
73191Ta
74192W196W
75193Re196Re
76194Os196Os
77195Ir196Ir
78196Pt196Pt
79197Au196Au
80198Hg196Hg
81199Tl196Tl
82200Pb196Pb
83201Bi196Bi
84202Po196Po
85203At196At
86204Rn196Rn
87205Fr
88206Ra
89207Ac
90208Th

 

External data and identifiers

Adopted Levels, Gammas:NuDat 196Pt

 


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Last update: 2020-10-21


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