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- Palladium
- Magnetic Type of Thulium
- Ca (Symbol of Calcium)
- 26 (Atomic Number of Iron)
- Discovered of Hydrogen in min
W
Tungsten
41 known isotopes (3 stable,
38 radioactive)
157W
Mass
156.978862 u
Abundance —
Half-life 275 milliseconds
Spin/Parity (7/2-)
Decay Mode(s) Unknown
158W
Mass
157.974565 u
Abundance —
Half-life 1.25 milliseconds
Spin/Parity 0+
Decay Mode(s) α (100%)
159W
Mass
158.972696 u
Abundance —
Half-life 7.3 milliseconds
Spin/Parity —
Decay Mode(s) α (99.9%), EC/β⁺ (0.1%)
160W
Mass
159.968514 u
Abundance —
Half-life 91 milliseconds
Spin/Parity 0+
Decay Mode(s) α (87%), EC/β⁺ (13%)
161W
Mass
160.967249 u
Abundance —
Half-life 409 milliseconds
Spin/Parity —
Decay Mode(s) α (73%), EC/β⁺ (27%)
162W
Mass
161.963500 u
Abundance —
Half-life 1.19 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (54.8%), α (45.2%)
163W
Mass
162.962524 u
Abundance —
Half-life 2.67 seconds
Spin/Parity 7/2-
Decay Mode(s) EC/β⁺ (86%), α (14%)
164W
Mass
163.958952 u
Abundance —
Half-life 6.3 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (96.2%), α (3.8%)
165W
Mass
164.958281 u
Abundance —
Half-life 5.1 seconds
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (99.8%), α (0.2%)
166W
Mass
165.955032 u
Abundance —
Half-life 19.2 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (99.965%), α (0.035%)
167W
Mass
166.954811 u
Abundance —
Half-life 19.9 seconds
Spin/Parity (+)
Decay Mode(s) EC/β⁺ (99.96%), α (0.04%)
168W
Mass
167.951805 u
Abundance —
Half-life 50.9 seconds
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%), α (0.0032%)
169W
Mass
168.951779 u
Abundance —
Half-life 74 seconds
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (100%)
170W
Mass
169.949231 u
Abundance —
Half-life 2.42 m
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
171W
Mass
170.949451 u
Abundance —
Half-life 2.38 m
Spin/Parity (5/2-)
Decay Mode(s) EC/β⁺ (100%)
172W
Mass
171.947292 u
Abundance —
Half-life 6.6 m
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
173W
Mass
172.947689 u
Abundance —
Half-life 7.6 m
Spin/Parity 5/2-
Decay Mode(s) EC/β⁺ (100%)
174W
Mass
173.946079 u
Abundance —
Half-life 33.2 m
Spin/Parity 0+
Decay Mode(s) EC/β⁺ (100%)
175W
Mass
174.946717 u
Abundance —
Half-life 35.2 m
Spin/Parity (1/2-)
Decay Mode(s) EC/β⁺ (100%)
176W
Mass
175.945634 u
Abundance —
Half-life 2.5 h
Spin/Parity 0+
Decay Mode(s) Electron capture (100%)
177W
Mass
176.946643 u
Abundance —
Half-life 132.4 m
Spin/Parity 1/2-
Decay Mode(s) EC/β⁺ (100%)
178W
Mass
177.945886 u
Abundance —
Half-life 21.6 d
Spin/Parity 0+
Decay Mode(s) Electron capture (100%)
179W
Mass
178.947079 u
Abundance —
Half-life 37.05 m
Spin/Parity 7/2-
Decay Mode(s) EC/β⁺ (100%)
180W
Mass
179.946713 u
Abundance 0.1200%
Half-life 1.8E18 years
Spin/Parity 0+
Decay Mode(s) α (100%)
181W
Mass
180.948219 u
Abundance —
Half-life 121.2 d
Spin/Parity 9/2+
Decay Mode(s) Electron capture (100%)
182W Stable
Mass
181.948206 u
Abundance 26.5000%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
183W
Mass
182.950224 u
Abundance 14.3100%
Half-life 6.7E+20 years
Spin/Parity 1/2-
Decay Mode(s) Unknown
184W Stable
Mass
183.950933 u
Abundance 30.6400%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
185W
Mass
184.953421 u
Abundance —
Half-life 75.1 d
Spin/Parity 3/2-
Decay Mode(s) β⁻ (100%)
186W Stable
Mass
185.954365 u
Abundance 28.4300%
Half-life Stable
Spin/Parity 0+
Decay Mode(s) —
187W
Mass
186.957161 u
Abundance —
Half-life 23.80 h
Spin/Parity 3/2-
Decay Mode(s) β⁻ (100%)
188W
Mass
187.958488 u
Abundance —
Half-life 69.78 d
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
189W
Mass
188.961557 u
Abundance —
Half-life 11.6 m
Spin/Parity —
Decay Mode(s) β⁻ (100%)
190W
Mass
189.963104 u
Abundance —
Half-life 30.0 m
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
191W
Mass
190.966531 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) Unknown
192W
Mass
191.968202 u
Abundance —
Half-life Unknown
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
193W
Mass
192.971884 u
Abundance —
Half-life Unknown
Spin/Parity —
Decay Mode(s) β⁻ (100%)
194W
Mass
193.973795 u
Abundance —
Half-life Unknown
Spin/Parity 0+
Decay Mode(s) β⁻ (100%)
195W
Mass
194.977735 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity —
Decay Mode(s) Unknown
196W
Mass
195.979882 u
Abundance —
Half-life 160 nanoseconds
Spin/Parity 0+
Decay Mode(s) Unknown
197W
Mass
196.984036 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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