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- Rhodium
- Oxidation States of Europium
- Na (Symbol of Sodium)
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- Melting Point of Cerium in °F
Re
Rhenium
41 known isotopes (1 stable,
40 radioactive)
159Re
Mass
158.984106 u
Abundance —
Half-life Unknown
Spin/Parity (1/2+)
Decay Mode(s) Unknown
160Re
Mass
159.981880 u
Abundance —
Half-life 612 microseconds
Spin/Parity (4-)
Decay Mode(s) Proton emission (89%), α (11%)
161Re
Mass
160.977624 u
Abundance —
Half-life 0.44 milliseconds
Spin/Parity 1/2+
Decay Mode(s) Proton emission (100%), α (1.4%)
162Re
Mass
161.975896 u
Abundance —
Half-life 107 milliseconds
Spin/Parity (2-)
Decay Mode(s) α (94%), EC/β⁺ (6%)
163Re
Mass
162.972085 u
Abundance —
Half-life 390 milliseconds
Spin/Parity 1/2+
Decay Mode(s) EC/β⁺ (68%), α (32%)
164Re
Mass
163.970507 u
Abundance —
Half-life 0.70 seconds
Spin/Parity —
Decay Mode(s) α (58%), EC/β⁺ (42%)
165Re
Mass
164.967086 u
Abundance —
Half-life 1.6 seconds
Spin/Parity (1/2+)
Decay Mode(s) EC/β⁺ (86%), α (14%)
166Re
Mass
165.965821 u
Abundance —
Half-life 2.25 seconds
Spin/Parity —
Decay Mode(s) EC/β⁺ (76%), α (24%)
167Re
Mass
166.962604 u
Abundance —
Half-life 5.9 seconds
Spin/Parity (9/2-)
Decay Mode(s) EC/β⁺ (99%), α (1%)
168Re
Mass
167.961573 u
Abundance —
Half-life 4.4 seconds
Spin/Parity (7+)
Decay Mode(s) EC/β⁺ (100%), α (0.005%)
169Re
Mass
168.958766 u
Abundance —
Half-life 8.1 seconds
Spin/Parity (9/2-)
Decay Mode(s) EC/β⁺ (100%), α (0.01%)
170Re
Mass
169.958235 u
Abundance —
Half-life 9.2 seconds
Spin/Parity (5+)
Decay Mode(s) EC/β⁺ (100%)
171Re
Mass
170.955716 u
Abundance —
Half-life 15.2 seconds
Spin/Parity (9/2-)
Decay Mode(s) EC/β⁺ (100%)
172Re
Mass
171.955376 u
Abundance —
Half-life 15 seconds
Spin/Parity (5+)
Decay Mode(s) EC/β⁺ (100%)
173Re
Mass
172.953243 u
Abundance —
Half-life 1.98 m
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (100%)
174Re
Mass
173.953115 u
Abundance —
Half-life 2.40 m
Spin/Parity —
Decay Mode(s) EC/β⁺ (100%)
175Re
Mass
174.951381 u
Abundance —
Half-life 5.89 m
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (100%)
176Re
Mass
175.951623 u
Abundance —
Half-life 5.3 m
Spin/Parity (3+)
Decay Mode(s) EC/β⁺ (100%)
177Re
Mass
176.950328 u
Abundance —
Half-life 14 m
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
178Re
Mass
177.950989 u
Abundance —
Half-life 13.2 m
Spin/Parity (3+)
Decay Mode(s) EC/β⁺ (100%)
179Re
Mass
178.949990 u
Abundance —
Half-life 19.5 m
Spin/Parity 5/2+
Decay Mode(s) EC/β⁺ (100%)
180Re
Mass
179.950792 u
Abundance —
Half-life 2.46 m
Spin/Parity (1)-
Decay Mode(s) EC/β⁺ (100%)
181Re
Mass
180.950062 u
Abundance —
Half-life 19.9 h
Spin/Parity 5/2+
Decay Mode(s) EC/β⁺ (100%)
182Re
Mass
181.951212 u
Abundance —
Half-life 64.2 h
Spin/Parity 7+
Decay Mode(s) EC/β⁺ (100%)
183Re
Mass
182.950821 u
Abundance —
Half-life 70.0 d
Spin/Parity 5/2+
Decay Mode(s) Electron capture (100%)
184Re
Mass
183.952528 u
Abundance —
Half-life 35.4 d
Spin/Parity 3(-)
Decay Mode(s) EC/β⁺ (100%)
185Re Stable
Mass
184.952958 u
Abundance 37.4000%
Half-life Stable
Spin/Parity 5/2+
Decay Mode(s) —
186Re
Mass
185.954989 u
Abundance —
Half-life 3.7185 d
Spin/Parity 1-
Decay Mode(s) β⁻ (92.5%), Electron capture (7.5%)
187Re
Mass
186.955752 u
Abundance 62.6000%
Half-life 4.33E+10 years
Spin/Parity 5/2+
Decay Mode(s) β⁻ (100%), α (0.0001%)
188Re
Mass
187.958114 u
Abundance —
Half-life 17.005 h
Spin/Parity 1-
Decay Mode(s) β⁻ (100%)
189Re
Mass
188.959228 u
Abundance —
Half-life 24.3 h
Spin/Parity 5/2+
Decay Mode(s) β⁻ (100%)
190Re
Mass
189.961800 u
Abundance —
Half-life 3.0 m
Spin/Parity (2)-
Decay Mode(s) β⁻ (100%)
191Re
Mass
190.963123 u
Abundance —
Half-life 9.8 m
Spin/Parity (3/2+ 1/2+)
Decay Mode(s) β⁻ (100%)
192Re
Mass
191.966088 u
Abundance —
Half-life 16 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
193Re
Mass
192.967545 u
Abundance —
Half-life Unknown
Spin/Parity (5/2+)
Decay Mode(s) Unknown
194Re
Mass
193.970735 u
Abundance —
Half-life 5 seconds
Spin/Parity (0+ 1)
Decay Mode(s) β⁻ (100%)
195Re
Mass
194.972560 u
Abundance —
Half-life 6 seconds
Spin/Parity [3/2-]
Decay Mode(s) β⁻ (100%)
196Re
Mass
195.975996 u
Abundance —
Half-life 3 seconds
Spin/Parity —
Decay Mode(s) β⁻ (100%)
197Re
Mass
196.978153 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
198Re
Mass
197.981760 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
199Re
Mass
198.984187 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
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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