Rhodium-95

Properties and data of the isotope ⁹⁵Rh.

Content

General data

Name of the isotope:Rhodium-95; Rh-95Symbol:⁹⁵Rh or 9545RhMass number A:95 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:50Isotopic mass:94.915898(4) u (atomic weight of Rhodium-95)Nuclide mass:94.8912132 u (calculated nuclear mass without electrons)Mass excess:-78.34051 MeVMass defect:0.86947424 u (per nucleus)Nuclear binding energy:809.91003771 MeV (per nucleus)
8.52536882 MeV (average binding energy per nucleon)Separation energy:S_N = 13.504(5) MeV (first neutron)
S_P = 3.046(5) MeV (first proton)Half-life:5.02(10) minDecay constant λ:0.0023012854600264 s^-1Specific activity α:1.474326085021 × 10⁺¹⁹ Bq g^-1
398466509.4653 Ci g^-1Spin and parity:
(nuclear angular momentum)9/2+Year of discovery:1967

Radioactive Decay

Half-life T_½ = 5.02(10) min (minutes) respectively 3.012 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁹⁵Ru	100 %	5.117(10) MeV

Parent Nuclides

Direct parent isotope is: ⁹⁵Pd.

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
^95mRh	543.3(3) keV	1.96(4) min	(1/2)-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 50) and isobaric (same nucleon number A = 95) with Rhodium-95. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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