Ruthenium-97

Properties and data of the isotope ⁹⁷Ru.

Content

General data

Name of the isotope:Ruthenium-97; Ru-97Symbol:⁹⁷Ru or 9744RuMass number A:97 (= number of nucleons)Atomic number Z:44 (= number of protons)Neutrons N:53Isotopic mass:96.907546(3) u (atomic weight of Ruthenium-97)Nuclide mass:96.8834097 u (calculated nuclear mass without electrons)Mass excess:-86.12035 MeVMass defect:0.89599595600001 u (per nucleus)Nuclear binding energy:834.61485704 MeV (per nucleus)
8.60427688 MeV (average binding energy per nucleon)Separation energy:S_N = 8.1115(28) MeV (first neutron)
S_P = 7.588(6) MeV (first proton)Half-life:2.83(23) dDecay constant λ:2.83481866149 × 10^-6 s^-1Specific activity α:1.778299717907 × 10⁺¹⁶ Bq g^-1
480621.54538041 Ci g^-1Spin and parity:
(nuclear angular momentum)5/2+Magnetic dipole moment:μ(μ_N) = (-) 0.787(8)Year of discovery:1946

Radioactive Decay

Half-life T_½ = 2.83(23) d respectively 2.44512 × 10⁵ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁹⁷Tc	100 %	1.104(5) MeV

Parent Nuclides

Direct parent isotope is: ⁹⁷Rh.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 53) and isobaric (same nucleon number A = 97) with Ruthenium-97. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 53	Isobar A = 97
29	⁸²Cu
30	⁸³Zn
31	⁸⁴Ga
32	⁸⁵Ge
33	⁸⁶As
34	⁸⁷Se
35	⁸⁸Br	⁹⁷Br
36	⁸⁹Kr	⁹⁷Kr
37	⁹⁰Rb	⁹⁷Rb
38	⁹¹Sr	⁹⁷Sr
39	⁹²Y	⁹⁷Y
40	⁹³Zr	⁹⁷Zr
41	⁹⁴Nb	⁹⁷Nb
42	⁹⁵Mo	⁹⁷Mo
43	⁹⁶Tc	⁹⁷Tc
44	⁹⁷Ru	⁹⁷Ru
45	⁹⁸Rh	⁹⁷Rh
46	⁹⁹Pd	⁹⁷Pd
47	¹⁰⁰Ag	⁹⁷Ag
48	¹⁰¹Cd	⁹⁷Cd
49	¹⁰²In	⁹⁷In
50	¹⁰³Sn
51	¹⁰⁴Sb
52	¹⁰⁵Te