Rhodium-110m

Properties and data of the isotope ¹¹⁰Rh.

Content

General data

Name of the isotope:Rhodium-110m; Rh-110mSymbol:¹¹⁰Rh or 11045RhMass number A:110 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:65Isotopic mass:109.911080(19) u (atomic weight of Rhodium-110m)
Excitation energy: +y keVNuclide mass:109.8863952 u (calculated nuclear mass without electrons)Mass excess:-82.82845 MeVMass defect:1.00426598 u (per nucleus)Nuclear binding energy:935.46773477 MeV (per nucleus)
8.50425213 MeV (average binding energy per nucleon)Half-life:28.0(13) sDecay constant λ:0.024755256448569 s^-1Specific activity α:1.367703131716 × 10⁺²⁰ Bq g^-1
3696494950.5862 Ci g^-1Spin and parity:
(nuclear angular momentum)(6+)

Radioactive Decay

Half-life T_½ = 28.0(13) s respectively 2.80 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹⁰Pd	100 %

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
¹¹⁰Rh		3.35(12) s	(1+)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 110) with Rhodium-110m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 65	Isobar A = 110
36	¹⁰¹Kr
37	¹⁰²Rb
38	¹⁰³Sr
39	¹⁰⁴Y
40	¹⁰⁵Zr	¹¹⁰Zr
41	¹⁰⁶Nb	¹¹⁰Nb
42	¹⁰⁷Mo	¹¹⁰Mo
43	¹⁰⁸Tc	¹¹⁰Tc
44	¹⁰⁹Ru	¹¹⁰Ru
45	¹¹⁰Rh	¹¹⁰Rh
46	¹¹¹Pd	¹¹⁰Pd
47	¹¹²Ag	¹¹⁰Ag
48	¹¹³Cd	¹¹⁰Cd
49	¹¹⁴In	¹¹⁰In
50	¹¹⁵Sn	¹¹⁰Sn
51	¹¹⁶Sb	¹¹⁰Sb
52	¹¹⁷Te	¹¹⁰Te
53	¹¹⁸I	¹¹⁰I
54	¹¹⁹Xe	¹¹⁰Xe
55	¹²⁰Cs
56	¹²¹Ba
57	¹²²La
58	¹²³Ce
59	¹²⁴Pr
60	¹²⁵Nd
61	¹²⁶Pm