Cadmium-107
Properties and data of the isotope 107Cd.
See also: List of individual Cadmium isotopes (and general data sources).
General data
Name of the isotope:Cadmium-107; Cd-107Symbol:107Cd or 10748CdMass number A:107 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:59Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.2291666666667 (= neutron-proton ratio)Neutron excess (N-Z):11Isotopic mass:106.9066121(18) u (atomic weight of Cadmium-107)Nuclide mass:106.8802817 u (calculated nuclear mass without electrons)Mass excess:-86.99027 MeVMass defect:0.98021948 u (per nucleus)Nuclear binding energy:913.0685643 MeV (per nucleus)
8.53335107 MeV (average binding energy per nucleon)Separation energy:SN = 7.9294(19) MeV (first neutron)
SP = 7.337(3) MeV (first proton)Half-life:6.50(2) hDecay constant λ:2.962167438290 × 10-5 s-1Specific activity α:1.682885807934 × 10+17 Bq g-1
4548340.0214438 Ci g-1Spin and parity:
(nuclear angular momentum)5/2+Magnetic dipole moment:μ(μN) = -0.6141(3)Quadrupole moment Q:+ 0.68(7) barn (100 fm2)Nuclear g-factor:gl = -0.24564Charge radius:4.5466(39) femtometer fmYear of discovery:1946
Radioactive Decay
Half-life T½ = 6.50(2) h (hours) respectively 2.3400 × 104 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
|---|
| EC/β+ | 107Ag | 100 % | 1.4164(29) MeV | |
Parent Nuclides
Direct parent isotope is: 107In.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 59) and isobaric (same nucleon number A = 107) with Cadmium-107. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 59 | Isobar A = 107 |
| 33 | 92As | |
| 34 | 93Se | |
| 35 | 94Br | |
| 36 | 95Kr | |
| 37 | 96Rb | |
| 38 | 97Sr | 107Sr |
| 39 | 98Y | 107Y |
| 40 | 99Zr | 107Zr |
| 41 | 100Nb | 107Nb |
| 42 | 101Mo | 107Mo |
| 43 | 102Tc | 107Tc |
| 44 | 103Ru | 107Ru |
| 45 | 104Rh | 107Rh |
| 46 | 105Pd | 107Pd |
| 47 | 106Ag | 107Ag |
| 48 | 107Cd | 107Cd |
| 49 | 108In | 107In |
| 50 | 109Sn | 107Sn |
| 51 | 110Sb | 107Sb |
| 52 | 111Te | 107Te |
| 53 | 112I | |
| 54 | 113Xe | |
| 55 | 114Cs | |
| 56 | 115Ba | |
| 57 | 116La | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/cadmium-107
© 1996 - 2026 ChemLin