About   |   More   |   Search
ChemLin Logo

Vanadium-46

Properties and data of the isotope 46V.


Contents

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

 

General data

Name of the isotope:Vanadium-46; V-46Symbol:46V or 4623VMass number A:46 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:23Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1 (= neutron-proton ratio)Neutron excess (N-Z):0Isotopic mass:45.96019797(22) u (atomic weight of Vanadium-46)Nuclide mass:45.9475809 u (calculated nuclear mass without electrons)Mass excess:-37.07535 MeVMass defect:0.419070834 u (per nucleus)Nuclear binding energy:390.36196745 MeV (per nucleus)
8.48612973 MeV (average binding energy per nucleon)
Separation energy:SN = 13.2606(9) MeV (first neutron)
SP = 5.3545(8) MeV (first proton)
Half-life:422.50(11) msDecay constant λ:1.6405850427454 s-1Specific activity α:2.149650021658 × 10+22 Bq g-1
580986492340.11 Ci g-1
Spin and parity:
(nuclear angular momentum)
0+Year of discovery:1952

 

Radioactive Decay

Half-life T½ = 422.50(11) ms respectively 4.2250 × 10-1 seconds s.

Decay
mode
DaughterProbabilityDecay energyγ energy
(intensity)
β+46Ti100 %7.05245(26) MeV

 

Parent Nuclides

Direct parent isotope is: 46Cr.

 

Nuclear Isomers

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

Nuclear IsomerExcitation EnergyHalf-lifeSpin
46mV801.46(10) keV1.02(7) ms3+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 23) and isobaric (same nucleon number A = 46) with Vanadium-46. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 23Isobar A = 46
1033Ne
1134Na
1235Mg
1336Al
1437Si
1538P46P
1639S46S
1740Cl46Cl
1841Ar46Ar
1942K46K
2043Ca46Ca
2144Sc46Sc
2245Ti46Ti
2346V46V
2447Cr46Cr
2548Mn46Mn
2649Fe46Fe
2750Co46Co
2851Ni

 

External data and identifiers

Adopted Levels, Gammas:NuDat 46V

 


More Chemistry

isotopes

Social Media

Facebook

LinkedIn

Twitter


Last update:


© 1996 - 2026 ChemLin