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- Calcium
- Decay Mode of Titanium
- Cs (Symbol of Cesium)
- 65 (Atomic Number of Terbium)
- Discovered of Rhenium in h
Ir
Iridium
42 known isotopes (2 stable,
40 radioactive)
164Ir
Mass
163.991966 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Unknown
165Ir
Mass
164.987552 u
Abundance —
Half-life 1 microseconds
Spin/Parity (1/2+)
Decay Mode(s) Unknown
166Ir
Mass
165.985716 u
Abundance —
Half-life 10.5 milliseconds
Spin/Parity (2-)
Decay Mode(s) α (93%), Proton emission (7%)
167Ir
Mass
166.981672 u
Abundance —
Half-life 35.2 milliseconds
Spin/Parity 1/2+
Decay Mode(s) α (48%), Proton emission (32%), EC/β⁺ (20%)
168Ir
Mass
167.979961 u
Abundance —
Half-life 222 milliseconds
Spin/Parity —
Decay Mode(s) α (100%)
169Ir
Mass
168.976282 u
Abundance —
Half-life 0.353 seconds
Spin/Parity (1/2+)
Decay Mode(s) α (45%)
170Ir
Mass
169.975113 u
Abundance —
Half-life 0.87 seconds
Spin/Parity (3-)
Decay Mode(s) EC/β⁺ (94.8%), α (5.2%)
171Ir
Mass
170.971646 u
Abundance —
Half-life 3.2 seconds
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (85%), α (15%)
172Ir
Mass
171.970607 u
Abundance —
Half-life 4.4 seconds
Spin/Parity (3- 4-)
Decay Mode(s) EC/β⁺ (98%), α (2%)
173Ir
Mass
172.967505 u
Abundance —
Half-life 9.0 seconds
Spin/Parity (3/2+ 5/2+)
Decay Mode(s) EC/β⁺ (93%), α (7%)
174Ir
Mass
173.966950 u
Abundance —
Half-life 7.9 seconds
Spin/Parity (3+)
Decay Mode(s) Electron capture (99.5%), α (0.5%)
175Ir
Mass
174.964150 u
Abundance —
Half-life 9 seconds
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (99.15%), α (0.85%)
176Ir
Mass
175.963626 u
Abundance —
Half-life 8.7 seconds
Spin/Parity —
Decay Mode(s) EC/β⁺ (96.9%), α (3.1%)
177Ir
Mass
176.961301 u
Abundance —
Half-life 29.8 seconds
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (99.94%), α (0.06%)
178Ir
Mass
177.961079 u
Abundance —
Half-life 12 seconds
Spin/Parity —
Decay Mode(s) EC/β⁺ (100%)
179Ir
Mass
178.959118 u
Abundance —
Half-life 79 seconds
Spin/Parity (5/2)-
Decay Mode(s) EC/β⁺ (100%)
180Ir
Mass
179.959229 u
Abundance —
Half-life 1.5 m
Spin/Parity (5+)
Decay Mode(s) EC/β⁺ (100%)
181Ir
Mass
180.957635 u
Abundance —
Half-life 4.90 m
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
182Ir
Mass
181.958076 u
Abundance —
Half-life 15.0 m
Spin/Parity 3+
Decay Mode(s) EC/β⁺ (100%)
183Ir
Mass
182.956841 u
Abundance —
Half-life 58 m
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
184Ir
Mass
183.957476 u
Abundance —
Half-life 3.09 h
Spin/Parity 5-
Decay Mode(s) EC/β⁺ (100%)
185Ir
Mass
184.956698 u
Abundance —
Half-life 14.4 h
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
186Ir
Mass
185.957947 u
Abundance —
Half-life 16.64 h
Spin/Parity 5+
Decay Mode(s) EC/β⁺ (100%)
187Ir
Mass
186.957542 u
Abundance —
Half-life 10.5 h
Spin/Parity 3/2+
Decay Mode(s) EC/β⁺ (100%)
188Ir
Mass
187.958835 u
Abundance —
Half-life 41.5 h
Spin/Parity 1-
Decay Mode(s) EC/β⁺ (100%)
189Ir
Mass
188.958723 u
Abundance —
Half-life 13.2 d
Spin/Parity 3/2+
Decay Mode(s) Electron capture (100%)
190Ir
Mass
189.960543 u
Abundance —
Half-life 11.78 d
Spin/Parity 4-
Decay Mode(s) EC/β⁺ (100%), β⁺ (0.002%)
191Ir Stable
Mass
190.960591 u
Abundance 37.3000%
Half-life Stable
Spin/Parity 3/2+
Decay Mode(s) —
192Ir
Mass
191.962602 u
Abundance —
Half-life 73.829 d
Spin/Parity 4+
Decay Mode(s) β⁻ (95.24%), Electron capture (4.76%)
193Ir Stable
Mass
192.962924 u
Abundance 62.7000%
Half-life Stable
Spin/Parity 3/2+
Decay Mode(s) —
194Ir
Mass
193.965076 u
Abundance —
Half-life 19.18 h
Spin/Parity 1-
Decay Mode(s) β⁻ (100%)
195Ir
Mass
194.965977 u
Abundance —
Half-life 2.29 h
Spin/Parity 3/2+
Decay Mode(s) β⁻ (100%)
196Ir
Mass
195.968400 u
Abundance —
Half-life 52 seconds
Spin/Parity (0-)
Decay Mode(s) β⁻ (100%)
197Ir
Mass
196.969657 u
Abundance —
Half-life 5.8 m
Spin/Parity 3/2+
Decay Mode(s) β⁻ (100%)
198Ir
Mass
197.972399 u
Abundance —
Half-life 8 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
199Ir
Mass
198.973807 u
Abundance —
Half-life 6 seconds
Spin/Parity —
Decay Mode(s) Unknown
200Ir
Mass
199.976844 u
Abundance —
Half-life 300 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
201Ir
Mass
200.978701 u
Abundance —
Half-life 21 seconds
Spin/Parity (3/2+)
Decay Mode(s) β⁻ (100%)
202Ir
Mass
201.982136 u
Abundance —
Half-life 11 seconds
Spin/Parity (1- 2-)
Decay Mode(s) β⁻ (100%)
203Ir
Mass
202.984573 u
Abundance —
Half-life Unknown
Spin/Parity (3/2+)
Decay Mode(s) β⁻ (100%)
204Ir
Mass
203.989726 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
205Ir
Mass
204.993988 u
Abundance —
Half-life Unknown
Spin/Parity (3/2+)
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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