Mercury-183

Properties and data of the isotope ¹⁸³Hg.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Mercury isotopes (and general data sources).

General data

Name of the isotope:Mercury-183; Hg-183Symbol:¹⁸³Hg or 18380HgMass number A:183 (= number of nucleons)Atomic number Z:80 (= number of protons)Neutrons N:103Isotopic mass:182.974445(8) u (atomic weight of Mercury-183)Nuclide mass:182.9305634 u (calculated nuclear mass without electrons)Mass excess:-23.80433 MeVMass defect:1.544043908 u (per nucleus)Nuclear binding energy:1438.26763604 MeV (per nucleus)
7.85938599 MeV (average binding energy per nucleon)Separation energy:S_N = 8.299(12) MeV (first neutron)
S_P = 2.793(21) MeV (first proton)Half-life:9.4(7) sDecay constant λ:0.073739061761696 s^-1Specific activity α:2.43992866378 × 10⁺²⁰ Bq g^-1
6594401794.0081 Ci g^-1Spin and parity:
(nuclear angular momentum)1/2-Magnetic dipole moment:μ(μ_N) = + 0.524(5)Nuclear g-factor:g_l = 1.048Charge radius:5.4405(31) femtometer fmYear of discovery:1969

Radioactive Decay

Half-life T_½ = 9.4(7) s.

Decay mode	Daughter	Probability	Decay energy
α	¹⁷⁹Pt	11.7(20) %	6.039(4) MeV
EC/β⁺	¹⁸³Au	88.3(20) %	6.387(12) MeV
EC, p	¹⁸²Pt	0.00026 %

Parent Nuclides

Direct parent isotopes are: ¹⁸⁷Pb, ¹⁸³Tl.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 103) and isobaric (same nucleon number A = 183) with Mercury-183. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 103	Isobar A = 183
60	¹⁶³Nd
62	¹⁶⁵Sm
63	¹⁶⁶Eu
64	¹⁶⁷Gd
65	¹⁶⁸Tb
66	¹⁶⁹Dy
67	¹⁷⁰Ho
68	¹⁷¹Er
69	¹⁷²Tm
70	¹⁷³Yb	¹⁸³Yb
71	¹⁷⁴Lu	¹⁸³Lu
72	¹⁷⁵Hf	¹⁸³Hf
73	¹⁷⁶Ta	¹⁸³Ta
74	¹⁷⁷W	¹⁸³W
75	¹⁷⁸Re	¹⁸³Re
76	¹⁷⁹Os	¹⁸³Os
77	¹⁸⁰Ir	¹⁸³Ir
78	¹⁸¹Pt	¹⁸³Pt
79	¹⁸²Au	¹⁸³Au
80	¹⁸³Hg	¹⁸³Hg
81	¹⁸⁴Tl	¹⁸³Tl
82	¹⁸⁵Pb	¹⁸³Pb
83	¹⁸⁶Bi
84	¹⁸⁷Po
85	¹⁸⁸At