Titanium-48

Properties and data of the isotope ⁴⁸Ti.

Contents

General data

Name of the isotope:Titanium-48; Ti-48Symbol:⁴⁸Ti or 4822TiMass number A:48 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:26Isotopic mass:47.947942(3) u (atomic weight of Titanium-48)Nuclide mass:47.9358735 u (calculated nuclear mass without electrons)Mass excess:-48.49171 MeVMass defect:0.44949652 u (per nucleus)Nuclear binding energy:418.7033114 MeV (per nucleus)
8.72298565 MeV (average binding energy per nucleon)Separation energy:S_N = 11.62666(4) MeV (first neutron)
S_P = 11.4451(19) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:3.5921(17) femtometer fmMirror nucleus:Iron-48Year of discovery:1923

Parent Nuclides

Direct parent isotopes are: ⁴⁸V, ⁴⁸Sc, ⁴⁸Ca.

Occurrence

Comparison of the natural Titanium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	Quantity	Half-life	Spin
Titanium Isotopic mixture	47.867 u	100 %
Isotope ⁴⁶Ti	45.952628(3) u	8.25(3) %	stable	0+
Isotope ⁴⁷Ti	46.951759(3) u	7.44(2) %	stable	5/2-
Isotope ⁴⁸Ti	47.947942(3) u	73.72(3) %	stable	0+
Isotope ⁵⁰Ti	49.944787(3) u	5.18(2) %	stable	0+
Isotope ⁴⁹Ti	48.947866(3) u	5.41(2) %	stable	7/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 26) and isobaric (same nucleon number A = 48) with Titanium-48. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 26	Isobar A = 48
11	³⁷Na
12	³⁸Mg
13	³⁹Al
14	⁴⁰Si
15	⁴¹P
16	⁴²S	⁴⁸S
17	⁴³Cl	⁴⁸Cl
18	⁴⁴Ar	⁴⁸Ar
19	⁴⁵K	⁴⁸K
20	⁴⁶Ca	⁴⁸Ca
21	⁴⁷Sc	⁴⁸Sc
22	⁴⁸Ti	⁴⁸Ti
23	⁴⁹V	⁴⁸V
24	⁵⁰Cr	⁴⁸Cr
25	⁵¹Mn	⁴⁸Mn
26	⁵²Fe	⁴⁸Fe
27	⁵³Co	⁴⁸Co
28	⁵⁴Ni	⁴⁸Ni
29	⁵⁵Cu
30	⁵⁶Zn