Ytterbium-152

Properties and data of the isotope ¹⁵²Yb.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Ytterbium isotopes (and general data sources).

General data

Name of the isotope:Ytterbium-152; Yb-152Symbol:¹⁵²Yb or 15270YbMass number A:152 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:82Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.1714285714286 (= neutron-proton ratio)Neutron excess (N-Z):12Isotopic mass:151.95033(16) u (atomic weight of Ytterbium-152)Nuclide mass:151.9119329 u (calculated nuclear mass without electrons)Mass excess:-46.26731 MeVMass defect:1.307945352 u (per nucleus)Nuclear binding energy:1218.34324772 MeV (per nucleus)
8.0154161 MeV (average binding energy per nucleon)Separation energy:S_N = 12.80(34) MeV (first neutron)
S_P = 2.79(15) MeV (first proton)Half-life:3.03(6) sDecay constant λ:0.22876144572935 s^-1Specific activity α:9.123401652350 × 10⁺²⁰ Bq g^-1
24657842303.651 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1982

Radioactive Decay

Half-life T_½ = 3.03(6) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	¹⁵²Tm	< 100 %	5.45(16) MeV
β⁺, p	¹⁵¹Er	?

Parent Nuclides

Direct parent isotopes are: ¹⁵²Lu, ¹⁵⁶Hf.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 82) and isobaric (same nucleon number A = 152) with Ytterbium-152. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 82	Isobar A = 152
45	¹²⁷Rh
46	¹²⁸Pd
47	¹²⁹Ag
48	¹³⁰Cd
49	¹³¹In
50	¹³²Sn
51	¹³³Sb
52	¹³⁴Te
53	¹³⁵I
54	¹³⁶Xe
55	¹³⁷Cs
56	¹³⁸Ba	¹⁵²Ba
57	¹³⁹La	¹⁵²La
58	¹⁴⁰Ce	¹⁵²Ce
59	¹⁴¹Pr	¹⁵²Pr
60	¹⁴²Nd	¹⁵²Nd
61	¹⁴³Pm	¹⁵²Pm
62	¹⁴⁴Sm	¹⁵²Sm
63	¹⁴⁵Eu	¹⁵²Eu
64	¹⁴⁶Gd	¹⁵²Gd
65	¹⁴⁷Tb	¹⁵²Tb
66	¹⁴⁸Dy	¹⁵²Dy
67	¹⁴⁹Ho	¹⁵²Ho
68	¹⁵⁰Er	¹⁵²Er
69	¹⁵¹Tm	¹⁵²Tm
70	¹⁵²Yb	¹⁵²Yb
71	¹⁵³Lu	¹⁵²Lu
72	¹⁵⁴Hf
73	¹⁵⁵Ta
74	¹⁵⁶W