Silver-98

Properties and data of the isotope ⁹⁸Ag.

Content

General data

Name of the isotope:Silver-98; Ag-98Symbol:⁹⁸Ag or 9847AgMass number A:98 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:51Isotopic mass:97.92156(4) u (atomic weight of Silver-98)Nuclide mass:97.8957781 u (calculated nuclear mass without electrons)Mass excess:-73.06639 MeVMass defect:0.88812722 u (per nucleus)Nuclear binding energy:827.28517667 MeV (per nucleus)
8.44168548 MeV (average binding energy per nucleon)Separation energy:S_N = 10.31(11) MeV (first neutron)
S_P = 2.55(3) MeV (first proton)Half-life:47.5(3) sDecay constant λ:0.014592572222315 s^-1Specific activity α:9.0596417970 × 10⁺¹⁹ Bq g^-1
2448551837.0459 Ci g^-1Spin and parity:
(nuclear angular momentum)(6+)Magnetic dipole moment:μ(μ_N) = 4.57Nuclear g-factor:g_l = 0.76166666666667Year of discovery:1978

Radioactive Decay

Half-life T_½ = 47.5(3) s respectively 4.75 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁹⁸Pd	99.9988 %	0.825(30) MeV
EE, p	⁹⁷Rh	0.0011 %

Parent Nuclides

Direct parent isotope is: ⁹⁸Cd.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 51) and isobaric (same nucleon number A = 98) with Silver-98. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 51	Isobar A = 98
28	⁷⁹Ni
29	⁸⁰Cu
30	⁸¹Zn
31	⁸²Ga
32	⁸³Ge
33	⁸⁴As
34	⁸⁵Se
35	⁸⁶Br	⁹⁸Br
36	⁸⁷Kr	⁹⁸Kr
37	⁸⁸Rb	⁹⁸Rb
38	⁸⁹Sr	⁹⁸Sr
39	⁹⁰Y	⁹⁸Y
40	⁹¹Zr	⁹⁸Zr
41	⁹²Nb	⁹⁸Nb
42	⁹³Mo	⁹⁸Mo
43	⁹⁴Tc	⁹⁸Tc
44	⁹⁵Ru	⁹⁸Ru
45	⁹⁶Rh	⁹⁸Rh
46	⁹⁷Pd	⁹⁸Pd
47	⁹⁸Ag	⁹⁸Ag
48	⁹⁹Cd	⁹⁸Cd
49	¹⁰⁰In	⁹⁸In
50	¹⁰¹Sn