See also: List of individual Tantalum isotopes (and general data sources).
General data
Name of the isotope:Tantalum-175; Ta-175Symbol:175Ta or 17573TaMass number A:175 (= number of nucleons)Atomic number Z:73 (= number of protons)Neutrons N:102Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.3972602739726 (= neutron-proton ratio)Neutron excess (N-Z):29Isotopic mass:174.94374(3) u (atomic weight of Tantalum-175)Nuclide mass:174.9036976 u (calculated nuclear mass without electrons)Mass excess:-52.40585 MeVMass defect:1.511308768 u (per nucleus)Nuclear binding energy:1407.77504954 MeV (per nucleus) 8.04442885 MeV (average binding energy per nucleon)Separation energy:SN = 8.74(4) MeV (first neutron) SP = 3.853(28) MeV (first proton)Half-life:10.5(2) hDecay constant λ:1.83372269989 × 10-5 s-1Specific activity α:6.312278572282 × 10+16 Bq g-1 1706021.2357519 Ci g-1Spin and parity: (nuclear angular momentum)7/2+Magnetic dipole moment:μ(μN) = 2.270(45)Quadrupole moment Q:+3.65(35) barn (100 fm2)Nuclear g-factor:gl = 0.64857142857143Year of discovery:1960
Radioactive Decay
Half-life T½ = 10.5(2) h (hours) respectively 3.7800 × 104 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 102) and isobaric (same nucleon number A = 175) with Tantalum-175. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
