See also: List of individual Vanadium isotopes (and general data sources).
General data
Name of the isotope:Vanadium-57; V-57Symbol:57V or 5723VMass number A:57 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:34Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.4782608695652 (= neutron-proton ratio)Neutron excess (N-Z):11Isotopic mass:56.95232(9) u (atomic weight of Vanadium-57)Nuclide mass:56.9397029 u (calculated nuclear mass without electrons)Mass excess:-44.41363 MeVMass defect:0.52226288 u (per nucleus)Nuclear binding energy:486.48473914 MeV (per nucleus) 8.53481998 MeV (average binding energy per nucleon)Separation energy:SN = 6.33(19) MeV (first neutron) SP = 12.38(15) MeV (first proton)Half-life:0.32(3) sDecay constant λ:2.1660849392498 s-1Specific activity α:2.290419143992 × 10+22 Bq g-1 619032201079.05 Ci g-1Spin and parity: (nuclear angular momentum)(7/2-)Year of discovery:1980
Radioactive Decay
Half-life T½ = 0.32(3) s respectively 3.2 × 10-1 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 34) and isobaric (same nucleon number A = 57) with Vanadium-57. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
