Uranium-214

Properties and data of the isotope ²¹⁴U.

Contents

General Data

Radioactive Decay

Isotones und Isobares

Literature

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

General data

Name of the isotope:Uranium-214; U-214Symbol:²¹⁴U or 21492UMass number A:214 (= number of nucleons)Atomic number Z:92 (= number of protons)Neutrons N:122Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.3260869565217 (= neutron-proton ratio)Neutron excess (N-Z):30Isotopic mass:214 u (atomic weight of Uranium-214)Nuclide mass:213.9495373 u (calculated nuclear mass without electrons)Mass excess:0 MeVMass defect:1.777022696 u (per nucleus)Nuclear binding energy:1655.28597919 MeV (per nucleus)
7.73498121 MeV (average binding energy per nucleon)Half-life:0.52 msDecay constant λ:1332.9753472307 s^-1Specific activity α:3.751105282171 × 10⁺²⁴ Bq g^-1
1.013812238424 × 10⁺¹⁴ Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:2021

Radioactive Decay

Half-life T_½ = 0.52 ms respectively 5.2 × 10^-4 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
α	²¹⁰Th	100 %	8.692(18) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 122) and isobaric (same nucleon number A = 214) with Uranium-214. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 122	Isobar A = 214
74	¹⁹⁶W
75	¹⁹⁷Re
76	¹⁹⁸Os
77	¹⁹⁹Ir
78	²⁰⁰Pt
79	²⁰¹Au
80	²⁰²Hg	²¹⁴Hg
81	²⁰³Tl	²¹⁴Tl
82	²⁰⁴Pb	²¹⁴Pb
83	²⁰⁵Bi	²¹⁴Bi
84	²⁰⁶Po	²¹⁴Po
85	²⁰⁷At	²¹⁴At
86	²⁰⁸Rn	²¹⁴Rn
87	²⁰⁹Fr	²¹⁴Fr
88	²¹⁰Ra	²¹⁴Ra
89	²¹¹Ac	²¹⁴Ac
90	²¹²Th	²¹⁴Th
91	²¹³Pa	²¹⁴Pa
92	²¹⁴U	²¹⁴U