Scandium-48
Properties and data of the isotope 48Sc.
See also: list of Scandium isotopes.
General data
Name of the isotope:Scandium-48; Sc-48Symbol:48Sc or 4821ScMass number A:48 (= number of nucleons)Atomic number Z:21 (= number of protons)Neutrons N:27Isotopic mass:47.952231(6) u (atomic weight of Scandium-48)Nuclide mass:47.940711 u (calculated nuclear mass without electrons)Mass excess:-44.49654 MeVMass defect:0.44604740400001 u (per nucleus)Nuclear binding energy:415.49048054 MeV (per nucleus)
8.65605168 MeV (average binding energy per nucleon)Separation energy:SN = 8.239(5) MeV (first neutron)
SP = 9.448(5) MeV (first proton)Half-life:43.67(9) hDecay constant λ:4.408996645039 × 10-6 s-1Specific activity α:5.649276350514 × 10+16 Bq g-1
1526831.4460849 Ci g-1Spin and parity:
(nuclear angular momentum)6+Magnetic dipole moment:μ(μN) = 3.737(12)Nuclear g-factor:gl = 0.62283333333333Mirror nucleus:Cobalt-48Year of discovery:1937
Radioactive Decay
Half-life T½ = 43.67(9) h (hours) respectively 1.57212 × 105 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β- | 48Ti | 100 % | 3.989(5) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 27) and isobaric (same nucleon number A = 48) with Scandium-48. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 27 | Isobar A = 48 |
11 | 38Na | |
12 | 39Mg | |
13 | 40Al | |
14 | 41Si | |
15 | 42P | |
16 | 43S | 48S |
17 | 44Cl | 48Cl |
18 | 45Ar | 48Ar |
19 | 46K | 48K |
20 | 47Ca | 48Ca |
21 | 48Sc | 48Sc |
22 | 49Ti | 48Ti |
23 | 50V | 48V |
24 | 51Cr | 48Cr |
25 | 52Mn | 48Mn |
26 | 53Fe | 48Fe |
27 | 54Co | 48Co |
28 | 55Ni | 48Ni |
29 | 56Cu | |
30 | 57Zn | |
31 | 58Ga | |
32 | 59Ge | |
External data and identifiers
Last update: 2023-10-04
Perma link: https://www.chemlin.org/isotope/scandium-48
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