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- Xenon
- Radius of Cesium
- Mc (Symbol of Moscovium)
- 71 (Atomic Number of Lutetium)
- Half Life of Uranium in h
Dy
Dysprosium
38 known isotopes (7 stable,
31 radioactive)
139Dy
Mass
138.959527 u
Abundance —
Half-life 0.6 seconds
Spin/Parity (7/2+)
Decay Mode(s) EC/β⁺ (100%), ECP (11%)
140Dy
Mass
139.954020 u
Abundance —
Half-life Unknown
Spin/Parity 0+
Decay Mode(s) Unknown
141Dy
Mass
140.951280 u
Abundance —
Half-life 0.9 seconds
Spin/Parity (9/2-)
Decay Mode(s) EC/β⁺ (100%)
142Dy
Mass
141.946194 u
Abundance —
Half-life 2.3 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%), ECP (0.06%)
143Dy
Mass
142.943994 u
Abundance —
Half-life 5.6 seconds
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (100%)
144Dy
Mass
143.939270 u
Abundance —
Half-life 9.1 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
145Dy
Mass
144.937474 u
Abundance —
Half-life 6 seconds
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (100%), ECP (50%)
146Dy
Mass
145.932845 u
Abundance —
Half-life 33.2 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
147Dy
Mass
146.931083 u
Abundance —
Half-life 67 seconds
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (100%), β⁺p (0.05%)
148Dy
Mass
147.927150 u
Abundance —
Half-life 3.3 m
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
149Dy
Mass
148.927328 u
Abundance —
Half-life 4.2 m
Spin/Parity 7/2-
Decay Mode(s) EC/β⁺ (100%)
150Dy
Mass
149.925593 u
Abundance —
Half-life 7.17 m
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (64%), α (36%)
151Dy
Mass
150.926191 u
Abundance —
Half-life 17.9 m
Spin/Parity 7/2(-)
Decay Mode(s) EC/β⁺ (94.4%), α (5.6%)
152Dy
Mass
151.924725 u
Abundance —
Half-life 2.38 h
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (99.9%), α (0.1%)
153Dy
Mass
152.925772 u
Abundance —
Half-life 6.4 h
Spin/Parity 7/2(-)
Decay Mode(s) EC/β⁺ (99.9906%), α (0.0094%)
154Dy
Mass
153.924429 u
Abundance —
Half-life 3.0E+6 years
Spin/Parity 0+
Decay Mode(s) α (100%)
155Dy
Mass
154.925758 u
Abundance —
Half-life 9.9 h
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
156Dy Stable
Mass
155.924284 u
Abundance 0.0560%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
157Dy
Mass
156.925470 u
Abundance —
Half-life 8.14 h
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
158Dy Stable
Mass
157.924415 u
Abundance 0.0950%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
159Dy
Mass
158.925746 u
Abundance —
Half-life 144.4 d
Spin/Parity 3/2-
Decay Mode(s) Electron capture (100%)
160Dy Stable
Mass
159.925204 u
Abundance 2.3290%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
161Dy Stable
Mass
160.926939 u
Abundance 18.8890%
Half-life Stable
Spin/Parity 5/2+
Decay Mode(s) —
162Dy Stable
Mass
161.926805 u
Abundance 25.4750%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
163Dy Stable
Mass
162.928737 u
Abundance 24.8960%
Half-life Stable
Spin/Parity 5/2-
Decay Mode(s) —
164Dy Stable
Mass
163.929181 u
Abundance 28.2600%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
165Dy
Mass
164.931709 u
Abundance —
Half-life 2.332 h
Spin/Parity 7/2+
Decay Mode(s) β⁻ (100%)
166Dy
Mass
165.932813 u
Abundance —
Half-life 81.6 h
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
167Dy
Mass
166.935682 u
Abundance —
Half-life 6.20 m
Spin/Parity (1/2-)
Decay Mode(s) β⁻ (100%)
168Dy
Mass
167.937135 u
Abundance —
Half-life 8.7 m
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
169Dy
Mass
168.940315 u
Abundance —
Half-life 39 seconds
Spin/Parity (5/2)-
Decay Mode(s) β⁻ (100%)
170Dy
Mass
169.942340 u
Abundance —
Half-life 55 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
171Dy
Mass
170.946312 u
Abundance —
Half-life 4.1 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
172Dy
Mass
171.948728 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
173Dy
Mass
172.953043 u
Abundance —
Half-life 1.43 seconds
Spin/Parity (9/2+)
Decay Mode(s) β⁻ (100%)
174Dy
Mass
173.955845 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
175Dy
Mass
174.960569 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
176Dy
Mass
175.963918 u
Abundance —
Half-life Unknown
Spin/Parity 0+
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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