Mercury-175

Properties and data of the isotope ¹⁷⁵Hg.

Contents

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

General data

Name of the isotope:Mercury-175; Hg-175Symbol:¹⁷⁵Hg or 17580HgMass number A:175 (= number of nucleons)Atomic number Z:80 (= number of protons)Neutrons N:95Isotopic mass:174.99144(8) u (atomic weight of Mercury-175)Nuclide mass:174.9475584 u (calculated nuclear mass without electrons)Mass excess:-7.97359 MeVMass defect:1.45772958 u (per nucleus)Nuclear binding energy:1357.86635739 MeV (per nucleus)
7.75923633 MeV (average binding energy per nucleon)Separation energy:S_N = 9.40(8) MeV (first neutron)
S_P = 10.3(11) MeV (first proton)Half-life:10.6(4) msDecay constant λ:65.391243449051 s^-1Specific activity α:2.26319125894 × 10⁺²³ Bq g^-1
6116733132286.5 Ci g^-1Spin and parity:
(nuclear angular momentum)(7/2-)Year of discovery:1983

Radioactive Decay

Half-life T_½ = 10.6(4) ms respectively 1.06 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
α	¹⁷¹Pt	100 %	7.072(5) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 95) and isobaric (same nucleon number A = 175) with Mercury-175. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 95	Isobar A = 175
55	¹⁵⁰Cs
56	¹⁵¹Ba
57	¹⁵²La
58	¹⁵³Ce
59	¹⁵⁴Pr
60	¹⁵⁵Nd
61	¹⁵⁶Pm
62	¹⁵⁷Sm
63	¹⁵⁸Eu
64	¹⁵⁹Gd
65	¹⁶⁰Tb
66	¹⁶¹Dy
67	¹⁶²Ho	¹⁷⁵Ho
68	¹⁶³Er	¹⁷⁵Er
69	¹⁶⁴Tm	¹⁷⁵Tm
70	¹⁶⁵Yb	¹⁷⁵Yb
71	¹⁶⁶Lu	¹⁷⁵Lu
72	¹⁶⁷Hf	¹⁷⁵Hf
73	¹⁶⁸Ta	¹⁷⁵Ta
74	¹⁶⁹W	¹⁷⁵W
75	¹⁷⁰Re	¹⁷⁵Re
76	¹⁷¹Os	¹⁷⁵Os
77	¹⁷²Ir	¹⁷⁵Ir
78	¹⁷³Pt	¹⁷⁵Pt
79	¹⁷⁴Au	¹⁷⁵Au
80	¹⁷⁵Hg	¹⁷⁵Hg
81	¹⁷⁶Tl