Cadmium-97

Properties and data of the isotope ⁹⁷Cd.

Content

General data

Name of the isotope:Cadmium-97; Cd-97Symbol:⁹⁷Cd or 9748CdMass number A:97 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:49Isotopic mass:96.93510(32) u (atomic weight of Cadmium-97)Nuclide mass:96.9087696 u (calculated nuclear mass without electrons)Mass excess:-60.45396 MeVMass defect:0.86508241999999 u (per nucleus)Nuclear binding energy:805.81908374 MeV (per nucleus)
8.30741323 MeV (average binding energy per nucleon)Separation energy:S_N = 12.95(50) MeV (first neutron)
S_P = 3.23(31) MeV (first proton)Half-life:2.8(6) sDecay constant λ:0.24755256448569 s^-1Specific activity α:1.552912930803 × 10⁺²¹ Bq g^-1
41970619751.449 Ci g^-1Spin and parity:
(nuclear angular momentum)(9/2+)Mirror nucleus:Indium-97Year of discovery:1978

Radioactive Decay

Half-life T_½ = 2.8(6) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE	⁹⁷Ag	< 100 %	10.37(32) MeV
EE, p	⁹⁶Pd	?

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 49) and isobaric (same nucleon number A = 97) with Cadmium-97. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 49	Isobar A = 97
27	⁷⁶Co
28	⁷⁷Ni
29	⁷⁸Cu
30	⁷⁹Zn
31	⁸⁰Ga
32	⁸¹Ge
33	⁸²As
34	⁸³Se
35	⁸⁴Br	⁹⁷Br
36	⁸⁵Kr	⁹⁷Kr
37	⁸⁶Rb	⁹⁷Rb
38	⁸⁷Sr	⁹⁷Sr
39	⁸⁸Y	⁹⁷Y
40	⁸⁹Zr	⁹⁷Zr
41	⁹⁰Nb	⁹⁷Nb
42	⁹¹Mo	⁹⁷Mo
43	⁹²Tc	⁹⁷Tc
44	⁹³Ru	⁹⁷Ru
45	⁹⁴Rh	⁹⁷Rh
46	⁹⁵Pd	⁹⁷Pd
47	⁹⁶Ag	⁹⁷Ag
48	⁹⁷Cd	⁹⁷Cd
49	⁹⁸In	⁹⁷In
50	⁹⁹Sn