Silver-114

Properties and data of the isotope ¹¹⁴Ag.

Content

General data

Name of the isotope:Silver-114; Ag-114Symbol:¹¹⁴Ag or 11447AgMass number A:114 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:67Isotopic mass:113.908823(5) u (atomic weight of Silver-114)Nuclide mass:113.8830411 u (calculated nuclear mass without electrons)Mass excess:-84.93083 MeVMass defect:1.039502876 u (per nucleus)Nuclear binding energy:968.29069198 MeV (per nucleus)
8.493778 MeV (average binding energy per nucleon)Separation energy:S_N = 5.975(17) MeV (first neutron)
S_P = 8.629(8) MeV (first proton)Half-life:4.6(1) sDecay constant λ:0.15068416968694 s^-1Specific activity α:8.030453939976 × 10⁺²⁰ Bq g^-1
21703929567.505 Ci g^-1Spin and parity:
(nuclear angular momentum)1+Year of discovery:1958

Radioactive Decay

Half-life T_½ = 4.6(1) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹⁴Cd	100 %	5.084(5) MeV
MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁴Pd.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 67) and isobaric (same nucleon number A = 114) with Silver-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 67	Isobar A = 114
38	¹⁰⁵Sr
39	¹⁰⁶Y
40	¹⁰⁷Zr
41	¹⁰⁸Nb	¹¹⁴Nb
42	¹⁰⁹Mo	¹¹⁴Mo
43	¹¹⁰Tc	¹¹⁴Tc
44	¹¹¹Ru	¹¹⁴Ru
45	¹¹²Rh	¹¹⁴Rh
46	¹¹³Pd	¹¹⁴Pd
47	¹¹⁴Ag	¹¹⁴Ag
48	¹¹⁵Cd	¹¹⁴Cd
49	¹¹⁶In	¹¹⁴In
50	¹¹⁷Sn	¹¹⁴Sn
51	¹¹⁸Sb	¹¹⁴Sb
52	¹¹⁹Te	¹¹⁴Te
53	¹²⁰I	¹¹⁴I
54	¹²¹Xe	¹¹⁴Xe
55	¹²²Cs	¹¹⁴Cs
56	¹²³Ba	¹¹⁴Ba
57	¹²⁴La
58	¹²⁵Ce
59	¹²⁶Pr
60	¹²⁷Nd
61	¹²⁸Pm
62	¹²⁹Sm
63	¹³⁰Eu