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- Pt (Symbol of Platinum)
- 113 (Atomic Number of Nihonium)
- Superconducting Point of Platinum in °C
Co
Cobalt
30 known isotopes (1 stable,
29 radioactive)
48Co
Mass
48.001857 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Unknown
50Co
Mass
49.981117 u
Abundance —
Half-life 38.8 milliseconds
Spin/Parity (6+)
Decay Mode(s) EC/β⁺ (100%), ECP (70.5%)
51Co
Mass
50.970647 u
Abundance —
Half-life 68.8 milliseconds
Spin/Parity 7/2-
Decay Mode(s) EC/β⁺ (100%), ECP (3.8%)
52Co
Mass
51.963130 u
Abundance —
Half-life 104 milliseconds
Spin/Parity (6+)
Decay Mode(s) EC/β⁺ (100%)
53Co
Mass
52.954203 u
Abundance —
Half-life 240 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) EC/β⁺ (100%)
54Co
Mass
53.948459 u
Abundance —
Half-life 193.28 milliseconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
55Co
Mass
54.941996 u
Abundance —
Half-life 17.53 h
Spin/Parity 7/2-
Decay Mode(s) EC/β⁺ (100%)
56Co
Mass
55.939838 u
Abundance —
Half-life 77.236 d
Spin/Parity 4+
Decay Mode(s) EC/β⁺ (100%)
57Co
Mass
56.936290 u
Abundance —
Half-life 271.74 d
Spin/Parity 7/2-
Decay Mode(s) Electron capture (100%)
58Co
Mass
57.935751 u
Abundance —
Half-life 70.86 d
Spin/Parity 2+
Decay Mode(s) EC/β⁺ (100%)
59Co Stable
Mass
58.933194 u
Abundance 100.0000%
Half-life Stable
Spin/Parity 7/2-
Decay Mode(s) —
60Co
Mass
59.933816 u
Abundance —
Half-life 1925.28 d
Spin/Parity 5+
Decay Mode(s) β⁻ (100%)
61Co
Mass
60.932476 u
Abundance —
Half-life 1.649 h
Spin/Parity 7/2-
Decay Mode(s) β⁻ (100%)
62Co
Mass
61.934058 u
Abundance —
Half-life 1.54 m
Spin/Parity (2)+
Decay Mode(s) β⁻ (100%)
63Co
Mass
62.933600 u
Abundance —
Half-life 27.4 seconds
Spin/Parity 7/2-
Decay Mode(s) β⁻ (100%)
64Co
Mass
63.935810 u
Abundance —
Half-life 0.30 seconds
Spin/Parity 1+
Decay Mode(s) β⁻ (100%)
65Co
Mass
64.936462 u
Abundance —
Half-life 1.16 seconds
Spin/Parity (7/2)-
Decay Mode(s) β⁻ (100%)
66Co
Mass
65.939443 u
Abundance —
Half-life 0.20 seconds
Spin/Parity (3+)
Decay Mode(s) β⁻ (100%)
67Co
Mass
66.940610 u
Abundance —
Half-life 0.425 seconds
Spin/Parity (7/2-)
Decay Mode(s) β⁻ (100%)
68Co
Mass
67.944559 u
Abundance —
Half-life 0.20 seconds
Spin/Parity (7-)
Decay Mode(s) β⁻ (100%)
69Co
Mass
68.945909 u
Abundance —
Half-life 227 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) β⁻ (100%)
70Co
Mass
69.950053 u
Abundance —
Half-life 112 milliseconds
Spin/Parity (6- 7-)
Decay Mode(s) β⁻ (100%)
71Co
Mass
70.952367 u
Abundance —
Half-life 80 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) β⁻ (100%), β⁻n (16%)
72Co
Mass
71.956736 u
Abundance —
Half-life 59.9 milliseconds
Spin/Parity [6- 7-]
Decay Mode(s) β⁻ (100%), β⁻n (6%)
73Co
Mass
72.959238 u
Abundance —
Half-life 40.7 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (22%)
74Co
Mass
73.963993 u
Abundance —
Half-life 31.3 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (18%)
75Co
Mass
74.967192 u
Abundance —
Half-life 30 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (16%)
76Co
Mass
75.972453 u
Abundance —
Half-life 21.7 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
77Co
Mass
76.976479 u
Abundance —
Half-life 13.0 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
78Co
Mass
77.983553 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
Decay mode abbreviations:
β⁻ = Beta minus decay, β⁺ = Beta plus decay, EC = Electron capture, α = Alpha decay
n = Neutron emission, p = Proton emission, SF = Spontaneous fission, IT = Isomeric transition
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