Silver-112

Properties and data of the isotope ¹¹²Ag.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Silver-112; Ag-112Symbol:¹¹²Ag or 11247AgMass number A:112 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:65Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.3829787234043 (= neutron-proton ratio)Neutron excess (N-Z):18Isotopic mass:111.9070485(26) u (atomic weight of Silver-112)Nuclide mass:111.8812666 u (calculated nuclear mass without electrons)Mass excess:-86.58376 MeVMass defect:1.023947544 u (per nucleus)Nuclear binding energy:953.80099355 MeV (per nucleus)
8.5160803 MeV (average binding energy per nucleon)Separation energy:S_N = 6.4396(28) MeV (first neutron)
S_P = 7.8868(25) MeV (first proton)Half-life:3.130(9) hDecay constant λ:6.151465926162 × 10^-5 s^-1Specific activity α:3.337386874094 × 10⁺¹⁷ Bq g^-1
9019964.5245797 Ci g^-1Spin and parity:
(nuclear angular momentum)2(-)Magnetic dipole moment:μ(μ_N) = 0.0547(5)Nuclear g-factor:g_l = 0.02735Year of discovery:1938

Radioactive Decay

Half-life T_½ = 3.130(9) h (hours) respectively 1.1268 × 10⁴ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹²Cd	100 %	3.9911(24) MeV

Parent Nuclides

Direct parent isotope is: ¹¹²Pd.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 112) with Silver-112. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 65	Isobar A = 112
36	¹⁰¹Kr
37	¹⁰²Rb
38	¹⁰³Sr
39	¹⁰⁴Y
40	¹⁰⁵Zr	¹¹²Zr
41	¹⁰⁶Nb	¹¹²Nb
42	¹⁰⁷Mo	¹¹²Mo
43	¹⁰⁸Tc	¹¹²Tc
44	¹⁰⁹Ru	¹¹²Ru
45	¹¹⁰Rh	¹¹²Rh
46	¹¹¹Pd	¹¹²Pd
47	¹¹²Ag	¹¹²Ag
48	¹¹³Cd	¹¹²Cd
49	¹¹⁴In	¹¹²In
50	¹¹⁵Sn	¹¹²Sn
51	¹¹⁶Sb	¹¹²Sb
52	¹¹⁷Te	¹¹²Te
53	¹¹⁸I	¹¹²I
54	¹¹⁹Xe	¹¹²Xe
55	¹²⁰Cs	¹¹²Cs
56	¹²¹Ba
57	¹²²La
58	¹²³Ce
59	¹²⁴Pr
60	¹²⁵Nd
61	¹²⁶Pm