Silver-97

Properties and data of the isotope ⁹⁷Ag.

Content

General data

Name of the isotope:Silver-97; Ag-97Symbol:⁹⁷Ag or 9747AgMass number A:97 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:50Isotopic mass:96.92397(12) u (atomic weight of Silver-97)Nuclide mass:96.8981881 u (calculated nuclear mass without electrons)Mass excess:-70.82149 MeVMass defect:0.877052304 u (per nucleus)Nuclear binding energy:816.96895886 MeV (per nucleus)
8.4223604 MeV (average binding energy per nucleon)Separation energy:S_N = 14.39(14) MeV (first neutron)
S_P = 1.93(11) MeV (first proton)Half-life:25.5(3) sDecay constant λ:0.0271822423749 s^-1Specific activity α:1.705159296568 × 10⁺²⁰ Bq g^-1
4608538639.3746 Ci g^-1Spin and parity:
(nuclear angular momentum)(9/2+)Magnetic dipole moment:μ(μ_N) = +6.13(12)Nuclear g-factor:g_l = 1.3622222222222Year of discovery:1978

Radioactive Decay

Half-life T_½ = 25.5(3) s respectively 2.55 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE	⁹⁷Pd	100 %	6.98(11) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 50) and isobaric (same nucleon number A = 97) with Silver-97. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 50	Isobar A = 97
28	⁷⁸Ni
29	⁷⁹Cu
30	⁸⁰Zn
31	⁸¹Ga
32	⁸²Ge
33	⁸³As
34	⁸⁴Se
35	⁸⁵Br	⁹⁷Br
36	⁸⁶Kr	⁹⁷Kr
37	⁸⁷Rb	⁹⁷Rb
38	⁸⁸Sr	⁹⁷Sr
39	⁸⁹Y	⁹⁷Y
40	⁹⁰Zr	⁹⁷Zr
41	⁹¹Nb	⁹⁷Nb
42	⁹²Mo	⁹⁷Mo
43	⁹³Tc	⁹⁷Tc
44	⁹⁴Ru	⁹⁷Ru
45	⁹⁵Rh	⁹⁷Rh
46	⁹⁶Pd	⁹⁷Pd
47	⁹⁷Ag	⁹⁷Ag
48	⁹⁸Cd	⁹⁷Cd
49	⁹⁹In	⁹⁷In
50	¹⁰⁰Sn