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- Terbium
- Refractive Index of Radium
- Tl (Symbol of Thallium)
- 1 (Atomic Number of Hydrogen)
- Melting Point of Erbium in °F
Ge
Germanium
32 known isotopes (5 stable,
27 radioactive)
59Ge
Mass
58.982426 u
Abundance —
Half-life 13.3 milliseconds
Spin/Parity —
Decay Mode(s) Two-proton emission (0.2%)
60Ge
Mass
59.970445 u
Abundance —
Half-life 110 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
61Ge
Mass
60.963725 u
Abundance —
Half-life 44 milliseconds
Spin/Parity (3/2-)
Decay Mode(s) EC/β⁺ (100%), ECP (62%)
62Ge
Mass
61.954761 u
Abundance —
Half-life 129 milliseconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
63Ge
Mass
62.949628 u
Abundance —
Half-life 150 milliseconds
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
64Ge
Mass
63.941690 u
Abundance —
Half-life 63.7 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
65Ge
Mass
64.939368 u
Abundance —
Half-life 30.9 seconds
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%), ECP (0.011%)
66Ge
Mass
65.933862 u
Abundance —
Half-life 2.26 h
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
67Ge
Mass
66.932717 u
Abundance —
Half-life 18.9 m
Spin/Parity 1/2-
Decay Mode(s) EC/β⁺ (100%)
68Ge
Mass
67.928095 u
Abundance —
Half-life 270.93 d
Spin/Parity 0+
Decay Mode(s) Electron capture (100%)
69Ge
Mass
68.927964 u
Abundance —
Half-life 39.05 h
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
70Ge Stable
Mass
69.924249 u
Abundance 20.5200%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
71Ge
Mass
70.924952 u
Abundance —
Half-life 11.43 d
Spin/Parity 1/2-
Decay Mode(s) Electron capture (100%)
72Ge Stable
Mass
71.922076 u
Abundance 27.4500%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
73Ge Stable
Mass
72.923459 u
Abundance 7.7600%
Half-life Stable
Spin/Parity 9/2+
Decay Mode(s) —
74Ge Stable
Mass
73.921178 u
Abundance 36.5200%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
75Ge
Mass
74.922858 u
Abundance —
Half-life 82.78 m
Spin/Parity 1/2-
Decay Mode(s) β⁻ (100%)
76Ge Stable
Mass
75.921403 u
Abundance 7.7500%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
77Ge
Mass
76.923550 u
Abundance —
Half-life 11.211 h
Spin/Parity 7/2+
Decay Mode(s) β⁻ (100%)
78Ge
Mass
77.922853 u
Abundance —
Half-life 88.0 m
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
79Ge
Mass
78.925360 u
Abundance —
Half-life 18.98 seconds
Spin/Parity (1/2)-
Decay Mode(s) β⁻ (100%)
80Ge
Mass
79.925351 u
Abundance —
Half-life 29.5 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
81Ge
Mass
80.928833 u
Abundance —
Half-life 7.6 seconds
Spin/Parity (9/2+)
Decay Mode(s) β⁻ (100%)
82Ge
Mass
81.929774 u
Abundance —
Half-life 4.0 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
83Ge
Mass
82.934539 u
Abundance —
Half-life 1.85 seconds
Spin/Parity (5/2)+
Decay Mode(s) β⁻ (100%)
84Ge
Mass
83.937575 u
Abundance —
Half-life 0.954 seconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%), β⁻n (10.2%)
85Ge
Mass
84.942970 u
Abundance —
Half-life 503 milliseconds
Spin/Parity (3/2+ 5/2+)
Decay Mode(s) β⁻ (100%), β⁻n (16.5%)
86Ge
Mass
85.946967 u
Abundance —
Half-life 226 milliseconds
Spin/Parity 0+
Decay Mode(s) β⁻ (100%), β⁻n (45%)
87Ge
Mass
86.953204 u
Abundance —
Half-life 0.14 seconds
Spin/Parity (5/2+)
Decay Mode(s) β⁻ (100%)
88Ge
Mass
87.957574 u
Abundance —
Half-life 300 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
89Ge
Mass
88.964530 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
90Ge
Mass
89.969436 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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