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- Erbium
- Space Group Number of Thorium
- Fr (Symbol of Francium)
- 84 (Atomic Number of Polonium)
- Half Life of Phosphorus in s
Br
Bromine
33 known isotopes (2 stable,
31 radioactive)
67Br
Mass
66.965078 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Unknown
68Br
Mass
67.958356 u
Abundance —
Half-life 35 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
69Br
Mass
68.950338 u
Abundance —
Half-life 24 nanoseconds
Spin/Parity (5/2-)
Decay Mode(s) Proton emission (100%)
70Br
Mass
69.944792 u
Abundance —
Half-life 79.1 milliseconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
71Br
Mass
70.939342 u
Abundance —
Half-life 21.4 seconds
Spin/Parity (5/2)-
Decay Mode(s) EC/β⁺ (100%)
72Br
Mass
71.936595 u
Abundance —
Half-life 78.6 seconds
Spin/Parity 1+
Decay Mode(s) EC/β⁺ (100%)
73Br
Mass
72.931673 u
Abundance —
Half-life 3.4 m
Spin/Parity 1/2-
Decay Mode(s) EC/β⁺ (100%)
74Br
Mass
73.929910 u
Abundance —
Half-life 25.4 m
Spin/Parity (0-)
Decay Mode(s) EC/β⁺ (100%)
75Br
Mass
74.925811 u
Abundance —
Half-life 96.7 m
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
76Br
Mass
75.924542 u
Abundance —
Half-life 16.2 h
Spin/Parity 1-
Decay Mode(s) EC/β⁺ (100%)
77Br
Mass
76.921379 u
Abundance —
Half-life 57.04 h
Spin/Parity 3/2-
Decay Mode(s) EC/β⁺ (100%)
78Br
Mass
77.921146 u
Abundance —
Half-life 6.45 m
Spin/Parity 1+
Decay Mode(s) EC/β⁺ (99.99%), β⁻ (0.01%)
79Br Stable
Mass
78.918338 u
Abundance 50.6500%
Half-life Stable
Spin/Parity 3/2-
Decay Mode(s) —
80Br
Mass
79.918530 u
Abundance —
Half-life 17.68 m
Spin/Parity 1+
Decay Mode(s) β⁻ (91.7%), EC/β⁺ (8.3%)
81Br Stable
Mass
80.916288 u
Abundance 49.3500%
Half-life Stable
Spin/Parity 3/2-
Decay Mode(s) —
82Br
Mass
81.916802 u
Abundance —
Half-life 35.282 h
Spin/Parity 5-
Decay Mode(s) β⁻ (100%)
83Br
Mass
82.915175 u
Abundance —
Half-life 2.374 h
Spin/Parity 3/2-
Decay Mode(s) β⁻ (100%)
84Br
Mass
83.916496 u
Abundance —
Half-life 31.76 m
Spin/Parity 2-
Decay Mode(s) β⁻ (100%)
85Br
Mass
84.915646 u
Abundance —
Half-life 2.90 m
Spin/Parity 3/2-
Decay Mode(s) β⁻ (100%)
86Br
Mass
85.918805 u
Abundance —
Half-life 55.1 seconds
Spin/Parity (1-)
Decay Mode(s) β⁻ (100%)
87Br
Mass
86.920674 u
Abundance —
Half-life 55.68 seconds
Spin/Parity (5/2-)
Decay Mode(s) β⁻ (100%), β⁻n (2.6%)
88Br
Mass
87.924083 u
Abundance —
Half-life 16.34 seconds
Spin/Parity (2-)
Decay Mode(s) β⁻ (100%), β⁻n (6.58%)
89Br
Mass
88.926705 u
Abundance —
Half-life 4.357 seconds
Spin/Parity (5/2-)
Decay Mode(s) β⁻ (100%), β⁻n (13.7%)
90Br
Mass
89.931293 u
Abundance —
Half-life 1.91 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (25.3%)
91Br
Mass
90.934399 u
Abundance —
Half-life 0.543 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (19.5%)
92Br
Mass
91.939632 u
Abundance —
Half-life 0.314 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (33.1%)
93Br
Mass
92.943220 u
Abundance —
Half-life 102 milliseconds
Spin/Parity (5/2-)
Decay Mode(s) β⁻ (100%), β⁻n (68%)
94Br
Mass
93.948846 u
Abundance —
Half-life 70 milliseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (68%)
95Br
Mass
94.952925 u
Abundance —
Half-life 150 nanoseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (34%)
96Br
Mass
95.958980 u
Abundance —
Half-life 150 nanoseconds
Spin/Parity —
Decay Mode(s) β⁻ (100%), β⁻n (27.6%)
97Br
Mass
96.963499 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
98Br
Mass
97.969887 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
101Br
Mass
— 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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