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- Cadmium
- Electrical Type of Ytterbium
- Rh (Symbol of Rhodium)
- 41 (Atomic Number of Niobium)
- Half Life of Oganesson in day
Tb
Terbium
38 known isotopes (1 stable,
37 radioactive)
135Tb
Mass
134.964516 u
Abundance —
Half-life 0.94 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) Proton emission (100%)
138Tb
Mass
137.953193 u
Abundance —
Half-life 200 nanoseconds
Spin/Parity —
Decay Mode(s) EC/β⁺ (100%)
139Tb
Mass
138.948330 u
Abundance —
Half-life 1.6 seconds
Spin/Parity —
Decay Mode(s) EC/β⁺ (0%)
140Tb
Mass
139.945805 u
Abundance —
Half-life 2.29 seconds
Spin/Parity (7+)
Decay Mode(s) EC/β⁺ (100%), ECP (0.26%)
141Tb
Mass
140.941448 u
Abundance —
Half-life 3.5 seconds
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (100%)
142Tb
Mass
141.939281 u
Abundance —
Half-life 597 milliseconds
Spin/Parity 1+
Decay Mode(s) EC/β⁺ (100%), β⁺p (0.0022%)
143Tb
Mass
142.935137 u
Abundance —
Half-life 12 seconds
Spin/Parity (11/2-)
Decay Mode(s) EC/β⁺ (100%)
144Tb
Mass
143.933045 u
Abundance —
Half-life 1 seconds
Spin/Parity 1+
Decay Mode(s) EC/β⁺ (100%)
145Tb
Mass
144.928717 u
Abundance —
Half-life Unknown
Spin/Parity (3/2+)
Decay Mode(s) Unknown
146Tb
Mass
145.927253 u
Abundance —
Half-life 8 seconds
Spin/Parity 1+
Decay Mode(s) EC/β⁺ (100%)
147Tb
Mass
146.924055 u
Abundance —
Half-life 1.64 h
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (100%)
148Tb
Mass
147.924275 u
Abundance —
Half-life 60 m
Spin/Parity 2-
Decay Mode(s) EC/β⁺ (100%)
149Tb
Mass
148.923254 u
Abundance —
Half-life 4.12 h
Spin/Parity 1/2+
Decay Mode(s) EC/β⁺ (83.3%), α (16.7%)
150Tb
Mass
149.923665 u
Abundance —
Half-life 3.48 h
Spin/Parity (2)-
Decay Mode(s) EC/β⁺ (100%), α (0.05%)
151Tb
Mass
150.923109 u
Abundance —
Half-life 17.609 h
Spin/Parity 1/2(+)
Decay Mode(s) EC/β⁺ (99.9905%), α (0.0095%)
152Tb
Mass
151.924082 u
Abundance —
Half-life 17.5 h
Spin/Parity 2-
Decay Mode(s) EC/β⁺ (100%), α (7e-7%)
153Tb
Mass
152.923442 u
Abundance —
Half-life 2.34 d
Spin/Parity 5/2+
Decay Mode(s) EC/β⁺ (100%)
154Tb
Mass
153.924684 u
Abundance —
Half-life 21.5 h
Spin/Parity 0
Decay Mode(s) EC/β⁺ (100%), β⁻ (0.1%)
155Tb
Mass
154.923510 u
Abundance —
Half-life 5.32 d
Spin/Parity 3/2+
Decay Mode(s) Electron capture (100%)
156Tb
Mass
155.924754 u
Abundance —
Half-life 5.35 d
Spin/Parity 3-
Decay Mode(s) EC/β⁺ (100%)
157Tb
Mass
156.924032 u
Abundance —
Half-life 71 years
Spin/Parity 3/2+
Decay Mode(s) Electron capture (100%)
158Tb
Mass
157.925420 u
Abundance —
Half-life 180 years
Spin/Parity 3-
Decay Mode(s) EC/β⁺ (83.4%), β⁻ (16.6%)
159Tb Stable
Mass
158.925354 u
Abundance 100.0000%
Half-life Stable
Spin/Parity 3/2+
Decay Mode(s) —
160Tb
Mass
159.927175 u
Abundance —
Half-life 72.3 d
Spin/Parity 3-
Decay Mode(s) β⁻ (100%)
161Tb
Mass
160.927577 u
Abundance —
Half-life 6.89 d
Spin/Parity 3/2+
Decay Mode(s) β⁻ (100%)
162Tb
Mass
161.929275 u
Abundance —
Half-life 7.60 m
Spin/Parity 1-
Decay Mode(s) β⁻ (100%)
163Tb
Mass
162.930654 u
Abundance —
Half-life 19.5 m
Spin/Parity 3/2+
Decay Mode(s) β⁻ (100%)
164Tb
Mass
163.933328 u
Abundance —
Half-life 3.0 m
Spin/Parity (5+)
Decay Mode(s) β⁻ (100%)
165Tb
Mass
164.934955 u
Abundance —
Half-life 2.11 m
Spin/Parity (3/2+)
Decay Mode(s) β⁻ (100%)
166Tb
Mass
165.937940 u
Abundance —
Half-life 25.1 seconds
Spin/Parity (2-)
Decay Mode(s) β⁻ (100%)
167Tb
Mass
166.940007 u
Abundance —
Half-life 19.4 seconds
Spin/Parity (3/2+)
Decay Mode(s) β⁻ (100%)
168Tb
Mass
167.943337 u
Abundance —
Half-life 8.2 seconds
Spin/Parity (4-)
Decay Mode(s) β⁻ (100%)
169Tb
Mass
168.945807 u
Abundance —
Half-life 5.1 seconds
Spin/Parity (3/2+)
Decay Mode(s) β⁻ (100%)
170Tb
Mass
169.949855 u
Abundance —
Half-life 0.96 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
171Tb
Mass
170.953011 u
Abundance —
Half-life 1.24 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
172Tb
Mass
171.957391 u
Abundance —
Half-life 0.76 seconds
Spin/Parity (6+)
Decay Mode(s) β⁻ (100%)
173Tb
Mass
172.960805 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
174Tb
Mass
173.965679 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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