Ruthenium-110

Properties and data of the isotope ¹¹⁰Ru.

Content

General data

Name of the isotope:Ruthenium-110; Ru-110Symbol:¹¹⁰Ru or 11044RuMass number A:110 (= number of nucleons)Atomic number Z:44 (= number of protons)Neutrons N:66Isotopic mass:109.914039(10) u (atomic weight of Ruthenium-110)Nuclide mass:109.8899027 u (calculated nuclear mass without electrons)Mass excess:-80.07216 MeVMass defect:1.002146864 u (per nucleus)Nuclear binding energy:933.49379093 MeV (per nucleus)
8.48630719 MeV (average binding energy per nucleon)Separation energy:S_N = 7.405(12) MeV (first neutron)
S_P = 13.079(13) MeV (first proton)Half-life:12.04(17) sDecay constant λ:0.057570363833883 s^-1Specific activity α:3.180704957481 × 10⁺²⁰ Bq g^-1
8596499885.0843 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1970

Radioactive Decay

Half-life T_½ = 12.04(17) s respectively 1.204 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹¹⁰Rh	100 %	2.756(19) MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁰Tc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 66) and isobaric (same nucleon number A = 110) with Ruthenium-110. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 66	Isobar A = 110
37	¹⁰³Rb
38	¹⁰⁴Sr
39	¹⁰⁵Y
40	¹⁰⁶Zr	¹¹⁰Zr
41	¹⁰⁷Nb	¹¹⁰Nb
42	¹⁰⁸Mo	¹¹⁰Mo
43	¹⁰⁹Tc	¹¹⁰Tc
44	¹¹⁰Ru	¹¹⁰Ru
45	¹¹¹Rh	¹¹⁰Rh
46	¹¹²Pd	¹¹⁰Pd
47	¹¹³Ag	¹¹⁰Ag
48	¹¹⁴Cd	¹¹⁰Cd
49	¹¹⁵In	¹¹⁰In
50	¹¹⁶Sn	¹¹⁰Sn
51	¹¹⁷Sb	¹¹⁰Sb
52	¹¹⁸Te	¹¹⁰Te
53	¹¹⁹I	¹¹⁰I
54	¹²⁰Xe	¹¹⁰Xe
55	¹²¹Cs
56	¹²²Ba
57	¹²³La
58	¹²⁴Ce
59	¹²⁵Pr
60	¹²⁶Nd
61	¹²⁷Pm
62	¹²⁸Sm