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- Lutetium
- Quantum Numbers of Nobelium
- Ge (Symbol of Germanium)
- 6 (Atomic Number of Carbon)
- Discovered of Copernicium in day
O
Oxygen
16 known isotopes (3 stable,
13 radioactive)
11O
Mass
11.051250 u
Abundance —
Half-life 1.30 MeV (resonance width)
Spin/Parity (3/2-)
Decay Mode(s) Two-proton emission (100%)
12O
Mass
12.034368 u
Abundance —
Half-life 72 keV (resonance width)
Spin/Parity 0+
Decay Mode(s) Two-proton emission (100%)
13O
Mass
13.024815 u
Abundance —
Half-life 8.58 milliseconds
Spin/Parity (3/2-)
Decay Mode(s) β⁺p (100%), EC/β⁺ (100%)
14O
Mass
14.008597 u
Abundance —
Half-life 70.606 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
15O
Mass
15.003066 u
Abundance —
Half-life 122.24 seconds
Spin/Parity 1/2-
Decay Mode(s) EC/β⁺ (100%)
16O Stable
Mass
15.994915 u
Abundance 99.7570%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
17O Stable
Mass
16.999132 u
Abundance 0.0384%
Half-life Stable
Spin/Parity 5/2+
Decay Mode(s) —
18O Stable
Mass
17.999160 u
Abundance 0.2045%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
19O
Mass
19.003578 u
Abundance —
Half-life 26.88 seconds
Spin/Parity 5/2+
Decay Mode(s) β⁻ (100%)
20O
Mass
20.004075 u
Abundance —
Half-life 13.51 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
21O
Mass
21.008655 u
Abundance —
Half-life 3.42 seconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%)
22O
Mass
22.009966 u
Abundance —
Half-life 2.25 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%), β⁻n (22%)
23O
Mass
23.015697 u
Abundance —
Half-life 97 milliseconds
Spin/Parity 1/2+
Decay Mode(s) β⁻ (100%), β⁻n (7%)
24O
Mass
24.019861 u
Abundance —
Half-life 72 milliseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%), β⁻n (42%)
25O
Mass
25.029339 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Neutron emission (100%)
26O
Mass
26.037210 u
Abundance —
Half-life 4.5 picoseconds
Spin/Parity 0+
Decay Mode(s) Two-neutron emission (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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