Titanium-56

Properties and data of the isotope ⁵⁶Ti.

Content

General data

Name of the isotope:Titanium-56; Ti-56Symbol:⁵⁶Ti or 5622TiMass number A:56 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:34Isotopic mass:55.95779(13) u (atomic weight of Titanium-56)Nuclide mass:55.9457215 u (calculated nuclear mass without electrons)Mass excess:-39.31836 MeVMass defect:0.508967848 u (per nucleus)Nuclear binding energy:474.1004966 MeV (per nucleus)
8.4660803 MeV (average binding energy per nucleon)Separation energy:S_N = 5.72(20) MeV (first neutron)
S_P = 16.45(47) MeV (first proton)Half-life:200(5) msDecay constant λ:3.4657359027997 s^-1Specific activity α:3.794754507272 × 10⁺²² Bq g^-1
1025609326289.9 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1980

Radioactive Decay

Half-life T_½ = 200(5) ms respectively 2.00 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁵⁶V	100 %	6.83(19) MeV
β^-, n	⁵⁵V		1.75(15) MeV

Parent Nuclides

Direct parent isotope is: ⁵⁶Sc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 34) and isobaric (same nucleon number A = 56) with Titanium-56. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 34	Isobar A = 56
17	⁵¹Cl
18	⁵²Ar
19	⁵³K	⁵⁶K
20	⁵⁴Ca	⁵⁶Ca
21	⁵⁵Sc	⁵⁶Sc
22	⁵⁶Ti	⁵⁶Ti
23	⁵⁷V	⁵⁶V
24	⁵⁸Cr	⁵⁶Cr
25	⁵⁹Mn	⁵⁶Mn
26	⁶⁰Fe	⁵⁶Fe
27	⁶¹Co	⁵⁶Co
28	⁶²Ni	⁵⁶Ni
29	⁶³Cu	⁵⁶Cu
30	⁶⁴Zn	⁵⁶Zn
31	⁶⁵Ga
32	⁶⁶Ge
33	⁶⁷As
34	⁶⁸Se
35	⁶⁹Br
36	⁷⁰Kr
37	⁷¹Rb