Isotopes of Polonium

List of known isotopes of the element Polonium.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁸⁶Po	28 ± us	syn.	0+	—	1.86·10⁸ ±19.62 keV/c²	2005
¹⁸⁷Po	1.4 ±25 ms	syn.	(1/2- 5/2-)	—	1.87·10⁸ ±35.03 keV/c²	2005
¹⁸⁸Po	0.27 ±3 ms	syn.	0+	—	1.879·10⁸ ±21.43 keV/c²	1999
¹⁸⁹Po	3.5 ±5 ms	syn.	(5/2-)	—	1.889·10⁸ ±23.68 keV/c²	1999
¹⁹⁰Po	2.45 ±5 ms	syn.	0+	—	1.899·10⁸ ±14.13 keV/c²	1996
¹⁹¹Po	22 ±1 ms	syn.	(3/2-)	—	1.909·10⁸ ±7.624 keV/c²	1993
¹⁹²Po	32.2 ±3 ms	syn.	0+	5.522 ±0.0178 fm	1.919·10⁸ ±11.41 keV/c²	1977
¹⁹³Po	399 ±34 ms	syn.	(3/2-)	—	1.929·10⁸ ±15.59 keV/c²	1967
¹⁹⁴Po	0.392 ±4 s	syn.	0+	5.516 ±0.0178 fm	1.939·10⁸ ±13.86 keV/c²	1967
¹⁹⁵Po	4.64 ±9 s	syn.	(3/2-)	—	1.949·10⁸ ±6.486 keV/c²	1967
¹⁹⁶Po	5.8 ±2 s	syn.	0+	5.513 ±0.0178 fm	1.959·10⁸ ±5.778 keV/c²	1967
¹⁹⁷Po	84 ±16 s	syn.	(3/2-)	—	1.969·10⁸ ±10.58 keV/c²	1965
¹⁹⁸Po	1.76 ±24 m	syn.	0+	5.514 ±0.0178 fm	1.979·10⁸ ±18.7 keV/c²	1965
¹⁹⁹Po	5.47 ±15 m	syn.	(3/2-)	—	1.989·10⁸ ±5.828 keV/c²	1965
²⁰⁰Po	11.51 ±8 m	syn.	0+	5.519 ±0.0178 fm	1.999·10⁸ ±8.136 keV/c²	1951
²⁰¹Po	15.5 ±22 m	syn.	3/2-	—	2.009·10⁸ ±5.305 keV/c²	1951
²⁰²Po	44.6 ±4 m	syn.	0+	5.528 ±0.0177 fm	2.019·10⁸ ±9.307 keV/c²	1951
²⁰³Po	36.7 ±5 m	syn.	5/2-	—	2.029·10⁸ ±4.981 keV/c²	1951
²⁰⁴Po	3.519 ±12 h	syn.	0+	5.537 ±0.0177 fm	2.039·10⁸ ±10.81 keV/c²	1951
²⁰⁵Po	1.74 ±8 h	syn.	5/2-	5.538 ±0.0177 fm	2.049·10⁸ ±10.79 keV/c²	1951
²⁰⁶Po	8.8 ±1 d	syn.	0+	5.548 ±0.0177 fm	2.059·10⁸ ±4.306 keV/c²	1947
²⁰⁷Po	5.8 ±2 h	syn.	5/2-	5.55 ±0.0177 fm	2.069·10⁸ ±7.148 keV/c²	1947
²⁰⁸Po	2.898 ±2 a	syn.	0+	5.558 ±0.0176 fm	2.079·10⁸ ±1.795 keV/c²	1947
²⁰⁹Po	124 ±3 a	syn.	1/2-	5.562 ±0.0176 fm	2.089·10⁸ ±1.909 keV/c²	1949
²¹⁰Po	138.3 ±2 d	syn.	0+	5.57 ±0.0176 fm	2.099·10⁸ ±1.23 keV/c²	1898
²¹¹Po	0.516 ±3 s	syn.	9/2+	—	2.109·10⁸ ±1.347 keV/c²	1913
²¹²Po	294.3 ±8 ns	syn.	0+	—	2.119·10⁸ ±1.237 keV/c²	1906
²¹³Po	3.706 ±1 us	syn.	9/2+	—	2.129·10⁸ ±3.277 keV/c²	1947
²¹⁴Po	163.4 ±4 us	syn.	0+	—	2.139·10⁸ ±1.556 keV/c²	1912
²¹⁵Po	1.781 ±5 ms	syn.	9/2+	—	2.149·10⁸ ±2.276 keV/c²	1911
²¹⁶Po	0.145 ±2 s	syn.	0+	5.635 ±0.0174 fm	2.16·10⁸ ±1.948 keV/c²	1910
²¹⁷Po	1.53 ±5 s	syn.	(9/2+)	—	2.17·10⁸ ±7.025 keV/c²	1956
²¹⁸Po	3.097 ±12 m	syn.	0+	5.655 ±0.0173 fm	2.18·10⁸ ±2.112 keV/c²	1904
²¹⁹Po	620 ±59 s	syn.	(9/2+)	—	2.19·10⁸ ±17 keV/c²	1998
²²⁰Po	300 ns	syn.	0+	—	2.2·10⁸ ±19 keV/c²	1998
²²¹Po	112 ± s	syn.	—	—	2.21·10⁸ ±21 keV/c²	2010
²²²Po	550 ±430 s	syn.	0+	—	2.22·10⁸ ±43 keV/c²	2010
²²³Po	300 ns	syn.	—	—	2.23·10⁸ ±210 keV/c²	2010
²²⁴Po	stab.	syn.	0+	—	2.24·10⁸ ±210 keV/c²	2010
²²⁵Po	300 ns	syn.	—	—	2.25·10⁸ ±322 keV/c²	2010
²²⁶Po	300 ns	syn.	0+	—	2.26·10⁸ ±430 keV/c²	2010
²²⁷Po	300 ns	syn.	—	—	2.27·10⁸ ±430 keV/c²	2010

186PoPolonium-186

Classification	z: 84; n: 102; m: 186
Half life	28 ± us
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	2005
Mass excess	4,101 ±18.27 keV
Binding energy	7,695 ±0.0983 keV
Single-particle energy	952 ±83 keV
Q value for electron capture	7,247 ±24.93 keV

Point at nuclide Decay chain of Polonium-186

187PoPolonium-187

Classification	z: 84; n: 103; m: 187
Half life	1.4 ±25 ms
Natural abundance	synthetic nuclide
Spin/parity	(1/2- 5/2-)
Decay modes	α decay
Discovery	2005
Mass excess	2,823 ±32.63 keV
Binding energy	7,704 ±0.1745 keV
Single-particle energy	1,319 ±36.77 keV
Neutron separation energy	9,349 ±37.4 keV
Q value for electron capture	9,207 ±34.13 keV

Point at nuclide Decay chain of Polonium-187

188PoPolonium-188

Classification	z: 84; n: 104; m: 188
Half life	0.27 ±3 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1999
Mass excess	-544.4 ±19.97 keV
Binding energy	7,724 ±0.1062 keV
Single-particle energy	1,450 ±22.33 keV
Neutron separation energy	11,430 ±38.24 keV
Q value for electron capture	6,650 ±22.88 keV

Point at nuclide Decay chain of Polonium-188

189PoPolonium-189

Classification	z: 84; n: 105; m: 189
Half life	3.5 ±5 ms
Natural abundance	synthetic nuclide
Spin/parity	(5/2-)
Decay modes	α decay
Discovery	1999
Mass excess	-1,422 ±22.05 keV
Binding energy	7,731 ±0.1167 keV
Single-particle energy	1,516 ±24.73 keV
Neutron separation energy	8,948 ±29.75 keV
Q value for electron capture	8,642 ±30.35 keV

Point at nuclide Decay chain of Polonium-189

190PoPolonium-190

Classification	z: 84; n: 106; m: 190
Half life	2.45 ±5 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1996
Mass excess	-4,563 ±13.16 keV
Binding energy	7,749 ±0.0693 keV
Single-particle energy	1,787 ±24.65 keV
Neutron separation energy	11,210 ±25.68 keV
Q value for electron capture	6,033 ±24.76 keV

Point at nuclide Decay chain of Polonium-190

191PoPolonium-191

Classification	z: 84; n: 107; m: 191
Half life	22 ±1 ms
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	α decay
Discovery	1993
Mass excess	-5,069 ±7.103 keV
Binding energy	7,753 ±0.0372 keV
Single-particle energy	1,761 ±22.14 keV
Neutron separation energy	8,577 ±14.95 keV
Q value for electron capture	8,170 ±10.32 keV
β⁻ decay energy	-8,933 ±17.59 keV

Point at nuclide Decay chain of Polonium-191

192PoPolonium-192

Classification	z: 84; n: 108; m: 192
Half life	32.2 ±3 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1977
Mass excess	-8,067 ±10.63 keV
Binding energy	7,771 ±0.0554 keV
Single-particle energy	2,116 ±13 keV
Neutron separation energy	11,060 ±12.78 keV
Q value for electron capture	5,468 ±31.93 keV
β⁻ decay energy	-11,000 ±29.83 keV
β⁻ decay energy with neutron	-20,010 ±19.29 keV

Point at nuclide Decay chain of Polonium-192

193PoPolonium-193

Classification	z: 84; n: 109; m: 193
Half life	399 ±34 ms
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	α decay
Discovery	1967
Mass excess	-8,326 ±14.53 keV
Binding energy	7,773 ±0.0753 keV
Single-particle energy	2,079 ±33.43 keV
Neutron separation energy	8,330 ±17.99 keV
Q value for electron capture	7,559 ±16.38 keV
β⁻ decay energy	-8,258 ±26.05 keV
β⁻ decay energy with neutron	-19,330 ±31.43 keV
Electric quadrupole moment	-1.3 ±0.3 b

Point at nuclide Decay chain of Polonium-193

194PoPolonium-194

Classification	z: 84; n: 110; m: 194
Half life	0.392 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-11,010 ±12.91 keV
Binding energy	7,789 ±0.0666 keV
Single-particle energy	2,409 ±14.96 keV
Neutron separation energy	10,750 ±19.43 keV
Q value for electron capture	5,018 ±13.93 keV
β⁻ decay energy	-10,290 ±26.81 keV
β⁻ decay energy with neutron	-19,010 ±25.19 keV

Point at nuclide Decay chain of Polonium-194

195PoPolonium-195

Classification	z: 84; n: 111; m: 195
Half life	4.64 ±9 s
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-11,120 ±6.042 keV
Binding energy	7,791 ±0.031 keV
Single-particle energy	2,382 ±8.005 keV
Neutron separation energy	8,183 ±14.25 keV
Q value for electron capture	6,908 ±8.029 keV
β⁻ decay energy	-7,647 ±11.31 keV
β⁻ decay energy with neutron	-18,480 ±24.26 keV
Magnetic dipole moment	-0.6 ±0.04 μN
Electric quadrupole moment	-0.9 ±0.3 b

Point at nuclide Decay chain of Polonium-195

196PoPolonium-196

Classification	z: 84; n: 112; m: 196
Half life	5.8 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-13,470 ±5.383 keV
Binding energy	7,804 ±0.0275 keV
Single-particle energy	2,732 ±7.544 keV
Neutron separation energy	10,420 ±8.092 keV
Q value for electron capture	4,540 ±25.01 keV
β⁻ decay energy	-9,556 ±30.71 keV
β⁻ decay energy with neutron	-18,070 ±10.98 keV

Point at nuclide Decay chain of Polonium-196

197PoPolonium-197

Classification	z: 84; n: 113; m: 197
Half life	84 ±16 s
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1965
Mass excess	-13,400 ±9.861 keV
Binding energy	7,805 ±0.0501 keV
Single-particle energy	2,673 ±26.34 keV
Neutron separation energy	7,995 ±11.23 keV
Q value for electron capture	6,294 ±12.91 keV
β⁻ decay energy	-7,038 ±12.68 keV
β⁻ decay energy with neutron	-17,560 ±31.8 keV
Magnetic dipole moment	-0.88 ±0.07 μN
Electric quadrupole moment	-0.4 ±0.2 b

Point at nuclide Decay chain of Polonium-197

198PoPolonium-198

Classification	z: 84; n: 114; m: 198
Half life	1.76 ±24 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1965
Mass excess	-15,480 ±17.42 keV
Binding energy	7,817 ±0.088 keV
Single-particle energy	3,075 ±19.31 keV
Neutron separation energy	10,150 ±20.02 keV
Q value for electron capture	3,900 ±32.61 keV
β⁻ decay energy	-8,765 ±18.1 keV
β⁻ decay energy with neutron	-17,190 ±19.16 keV
Magnetic dipole moment	7.3 ±0.2 μN

Point at nuclide Decay chain of Polonium-198

199PoPolonium-199

Classification	z: 84; n: 115; m: 199
Half life	5.47 ±15 m
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1965
Mass excess	-15,240 ±5.429 keV
Binding energy	7,817 ±0.0273 keV
Single-particle energy	3,153 ±28.1 keV
Neutron separation energy	7,836 ±18.24 keV
Q value for electron capture	5,558 ±11.92 keV
β⁻ decay energy	-6,416 ±7.646 keV
β⁻ decay energy with neutron	-16,610 ±7.316 keV
Magnetic dipole moment	-0.91 ±0.07 μN
Electric quadrupole moment	-0.27 ±0.15 b

Point at nuclide Decay chain of Polonium-199

200PoPolonium-200

Classification	z: 84; n: 116; m: 200
Half life	11.51 ±8 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-16,950 ±7.579 keV
Binding energy	7,827 ±0.0379 keV
Single-particle energy	3,433 ±13.02 keV
Neutron separation energy	9,774 ±9.318 keV
Q value for electron capture	3,428 ±23.93 keV
β⁻ decay energy	-7,954 ±25.61 keV
β⁻ decay energy with neutron	-16,190 ±9.296 keV

Point at nuclide Decay chain of Polonium-200

201PoPolonium-201

Classification	z: 84; n: 117; m: 201
Half life	15.5 ±22 m
Natural abundance	synthetic nuclide
Spin/parity	3/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-16,530 ±4.942 keV
Binding energy	7,826 ±0.0246 keV
Single-particle energy	3,439 ±23.23 keV
Neutron separation energy	7,650 ±9.006 keV
Q value for electron capture	4,907 ±13.14 keV
β⁻ decay energy	-5,732 ±9.56 keV
β⁻ decay energy with neutron	-15,610 ±24.95 keV
Magnetic dipole moment	-0.98 ±0.07 μN
Electric quadrupole moment	0.1 ±0.1 b

Point at nuclide Decay chain of Polonium-201

202PoPolonium-202

Classification	z: 84; n: 118; m: 202
Half life	44.6 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-17,950 ±8.67 keV
Binding energy	7,834 ±0.0429 keV
Single-particle energy	3,801 ±14.94 keV
Neutron separation energy	9,491 ±9.956 keV
Q value for electron capture	2,809 ±16.46 keV
β⁻ decay energy	-7,347 ±28.93 keV
β⁻ decay energy with neutron	-15,230 ±11.92 keV
Magnetic dipole moment	7.45 ±0.12 μN

Point at nuclide Decay chain of Polonium-202

203PoPolonium-203

Classification	z: 84; n: 119; m: 203
Half life	36.7 ±5 m
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-17,320 ±4.64 keV
Binding energy	7,832 ±0.0229 keV
Single-particle energy	3,848 ±14.75 keV
Neutron separation energy	7,440 ±9.833 keV
Q value for electron capture	4,214 ±13.59 keV
β⁻ decay energy	-5,149 ±11.59 keV
β⁻ decay energy with neutron	-14,790 ±27.98 keV
Magnetic dipole moment	0.74 ±0.05 μN
Electric quadrupole moment	0.17 ±0.1 b

Point at nuclide Decay chain of Polonium-203

204PoPolonium-204

Classification	z: 84; n: 120; m: 204
Half life	3.519 ±12 h
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-18,350 ±10.07 keV
Binding energy	7,839 ±0.0494 keV
Single-particle energy	4,105 ±16.26 keV
Neutron separation energy	9,101 ±11.08 keV
Q value for electron capture	2,304 ±13.62 keV
β⁻ decay energy	-6,466 ±24.8 keV
β⁻ decay energy with neutron	-14,250 ±14.62 keV

Point at nuclide Decay chain of Polonium-204

205PoPolonium-205

Classification	z: 84; n: 121; m: 205
Half life	1.74 ±8 h
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1951
Mass excess	-17,530 ±10.05 keV
Binding energy	7,836 ±0.0491 keV
Single-particle energy	4,164 ±13.61 keV
Neutron separation energy	7,251 ±14.23 keV
Q value for electron capture	3,544 ±11.14 keV
β⁻ decay energy	-4,537 ±15.69 keV
β⁻ decay energy with neutron	-13,720 ±24.79 keV
Magnetic dipole moment	0.76 ±0.06 μN

Point at nuclide Decay chain of Polonium-205

206PoPolonium-206

Classification	z: 84; n: 122; m: 206
Half life	8.8 ±1 d
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1947
Mass excess	-18,190 ±4.012 keV
Binding energy	7,840 ±0.0195 keV
Single-particle energy	4,412 ±6.247 keV
Neutron separation energy	8,738 ±10.82 keV
Q value for electron capture	1,839 ±8.622 keV
β⁻ decay energy	-5,750 ±14.1 keV
β⁻ decay energy with neutron	-13,280 ±12.7 keV

Point at nuclide Decay chain of Polonium-206

207PoPolonium-207

Classification	z: 84; n: 123; m: 207
Half life	5.8 ±2 h
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1947
Mass excess	-17,150 ±6.659 keV
Binding energy	7,836 ±0.0322 keV
Single-particle energy	4,406 ±10 keV
Neutron separation energy	7,028 ±7.75 keV
Q value for electron capture	2,908 ±7.077 keV
β⁻ decay energy	-3,919 ±14.07 keV
β⁻ decay energy with neutron	-12,780 ±15.07 keV
Magnetic dipole moment	0.79 ±0.06 μN
Electric quadrupole moment	0.28 ±0.03 b

Point at nuclide Decay chain of Polonium-207

208PoPolonium-208

Classification	z: 84; n: 124; m: 208
Half life	2.898 ±2 a
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1947
Mass excess	-17,470 ±1.672 keV
Binding energy	7,839 ±0.008 keV
Single-particle energy	4,703 ±2.468 keV
Neutron separation energy	8,394 ±6.683 keV
Q value for electron capture	1,400 ±2.848 keV
β⁻ decay energy	-5,000 ±9.073 keV
β⁻ decay energy with neutron	-12,320 ±12.51 keV
Magnetic dipole moment	7.37 ±0.05 μN
Electric quadrupole moment	-0.9 ±0.04 b

Point at nuclide Decay chain of Polonium-208

209PoPolonium-209

Classification	z: 84; n: 125; m: 209
Half life	124 ±3 a
Natural abundance	synthetic nuclide
Spin/parity	1/2-
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1949
Mass excess	-16,370 ±1.778 keV
Binding energy	7,835 ±0.0085 keV
Single-particle energy	4,784 ±2.427 keV
Neutron separation energy	6,968 ±1.865 keV
Q value for electron capture	1,892 ±2.242 keV
β⁻ decay energy	-3,483 ±4.959 keV
β⁻ decay energy with neutron	-11,970 ±9.093 keV
Magnetic dipole moment	0.68 ±0.08 μN
Electric quadrupole moment	-0.39 ±0.08 b

Point at nuclide Decay chain of Polonium-209

210PoPolonium-210

Classification	z: 84; n: 126; m: 210
Half life	138.3 ±2 d
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1898
Mass excess	-15,960 ±1.146 keV
Binding energy	7,834 ±0.0055 keV
Single-particle energy	4,983 ±0.7692 keV
Neutron separation energy	7,658 ±1.364 keV
Q value for electron capture	-1,162 ±1.782 keV
β⁻ decay energy	-3,981 ±7.61 keV
β⁻ decay energy with neutron	-11,150 ±4.77 keV
Magnetic dipole moment	5.48 ±0.05 μN

Point at nuclide Decay chain of Polonium-210

211PoPolonium-211

Classification	z: 84; n: 127; m: 211
Half life	0.516 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	9/2+
Decay modes	α decay
Discovery	1913
Mass excess	-12,440 ±1.255 keV
Binding energy	7,818 ±0.006 keV
Single-particle energy	4,929 ±0.9249 keV
Neutron separation energy	4,550 ±0.5234 keV
Q value for electron capture	-573.4 ±5.585 keV
β⁻ decay energy	-785.4 ±2.538 keV
β⁻ decay energy with neutron	-8,532 ±7.627 keV
Magnetic dipole moment	-1.2 ±0.08 μN
Electric quadrupole moment	-0.77 ±0.15 b

Point at nuclide Decay chain of Polonium-211

212PoPolonium-212

Classification	z: 84; n: 128; m: 212
Half life	294.3 ±8 ns
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1906
Mass excess	-10,370 ±1.153 keV
Binding energy	7,810 ±0.0054 keV
Single-particle energy	5,799 ±5.406 keV
Neutron separation energy	6,008 ±0.5249 keV
Q value for electron capture	-2,252 ±2.182 keV
β⁻ decay energy	-1,742 ±2.106 keV
β⁻ decay energy with neutron	-6,794 ±2.489 keV

Point at nuclide Decay chain of Polonium-212

213PoPolonium-213

Classification	z: 84; n: 129; m: 213
Half life	3.706 ±1 us
Natural abundance	synthetic nuclide
Spin/parity	9/2+
Decay modes	α decay
Discovery	1947
Mass excess	-6,654 ±3.053 keV
Binding energy	7,794 ±0.0143 keV
Single-particle energy	5,824 ±3.294 keV
Neutron separation energy	4,355 ±2.861 keV
Q value for electron capture	-1,422 ±5.929 keV
β⁻ decay energy	-74 ±5.464 keV
β⁻ decay energy with neutron	-6,097 ±3.399 keV

Point at nuclide Decay chain of Polonium-213

214PoPolonium-214

Classification	z: 84; n: 130; m: 214
Half life	163.4 ±4 us
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1912
Mass excess	-4,470 ±1.449 keV
Binding energy	7,785 ±0.0068 keV
Single-particle energy	6,527 ±5.169 keV
Neutron separation energy	5,887 ±2.826 keV
Q value for electron capture	-3,270 ±11.3 keV
β⁻ decay energy	-1,091 ±3.775 keV
β⁻ decay energy with neutron	-5,962 ±4.731 keV

Point at nuclide Decay chain of Polonium-214

215PoPolonium-215

Classification	z: 84; n: 131; m: 215
Half life	1.781 ±5 ms
Natural abundance	synthetic nuclide
Spin/parity	9/2+
Decay modes	α decay; β⁻ decay
Discovery	1911
Mass excess	-541.8 ±2.12 keV
Binding energy	7,768 ±0.0099 keV
Single-particle energy	6,629 ±11.35 keV
Neutron separation energy	4,143 ±2.455 keV
Q value for electron capture	-2,172 ±6.01 keV
β⁻ decay energy	714.8 ±6.649 keV
β⁻ decay energy with neutron	-5,234 ±4.448 keV

Point at nuclide Decay chain of Polonium-215

216PoPolonium-216

Classification	z: 84; n: 132; m: 216
Half life	0.145 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1910
Mass excess	1,782 ±1.815 keV
Binding energy	7,758 ±0.0084 keV
Single-particle energy	7,135 ±5.745 keV
Neutron separation energy	5,747 ±2.294 keV
Q value for electron capture	-4,092 ±11.32 keV
β⁻ decay energy	-474.4 ±3.571 keV
β⁻ decay energy with neutron	-5,033 ±6.749 keV

Point at nuclide Decay chain of Polonium-216

217PoPolonium-217

Classification	z: 84; n: 133; m: 217
Half life	1.53 ±5 s
Natural abundance	synthetic nuclide
Spin/parity	(9/2+)
Decay modes	α decay; β⁻ decay
Discovery	1956
Mass excess	5,883 ±6.544 keV
Binding energy	7,741 ±0.0302 keV
Single-particle energy	7,279 ±12.95 keV
Neutron separation energy	3,970 ±6.625 keV
Q value for electron capture	-2,847 ±18.86 keV
β⁻ decay energy	1,488 ±7.979 keV
β⁻ decay energy with neutron	-4,445 ±7.378 keV
Magnetic dipole moment	-1.11 ±0.1 μN

Point at nuclide Decay chain of Polonium-217

218PoPolonium-218

Classification	z: 84; n: 134; m: 218
Half life	3.097 ±12 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; β⁻ decay
Discovery	1904
Mass excess	8,356 ±1.967 keV
Binding energy	7,731 ±0.009 keV
Single-particle energy	7,662 ±17.8 keV
Neutron separation energy	5,598 ±6.661 keV
Q value for electron capture	-4,860 ±27.08 keV
β⁻ decay energy	256.4 ±11.54 keV
β⁻ decay energy with neutron	-4,110 ±5.183 keV

Point at nuclide Decay chain of Polonium-218

219PoPolonium-219

Classification	z: 84; n: 135; m: 219
Half life	620 ±59 s
Natural abundance	synthetic nuclide
Spin/parity	(9/2+)
Decay modes	β⁻ decay; α decay
Discovery	1998
Mass excess	12,680 ±15.83 keV
Binding energy	7,713 ±0.0723 keV
Single-particle energy	7,823 ±31.31 keV
Neutron separation energy	3,746 ±15.95 keV
Q value for electron capture	-3,639 ±200.6 keV
β⁻ decay energy	2,285 ±16.16 keV
β⁻ decay energy with neutron	-3,491 ±19.57 keV

Point at nuclide Decay chain of Polonium-219

220PoPolonium-220

Classification	z: 84; n: 136; m: 220
Half life	300 ns
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1998
Mass excess	15,260 ±17.69 keV
Binding energy	7,703 ±0.0804 keV
Single-particle energy	8,345 ±201 keV
Neutron separation energy	5,489 ±23.74 keV
Q value for electron capture	-5,697 ±300.5 keV
β⁻ decay energy	887.7 ±22.54 keV
β⁻ decay energy with neutron	-3,204 ±17.99 keV

Point at nuclide Decay chain of Polonium-220

221PoPolonium-221

Classification	z: 84; n: 137; m: 221
Half life	112 ± s
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2010
Mass excess	19,770 ±19.56 keV
Binding energy	7,684 ±0.0885 keV
Single-particle energy	8,475 ±301 keV
Neutron separation energy	3,561 ±26.37 keV
Q value for electron capture	-4,427 ±300.6 keV
β⁻ decay energy	2,991 ±24.03 keV
β⁻ decay energy with neutron	-2,674 ±24.03 keV

Point at nuclide Decay chain of Polonium-221

222PoPolonium-222

Classification	z: 84; n: 138; m: 222
Half life	550 ±430 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Discovery	2010
Mass excess	22,480 ±40.05 keV
Binding energy	7,674 ±0.1804 keV
Single-particle energy	9,003 ±303 keV
Neutron separation energy	5,358 ±44.57 keV
Q value for electron capture	-6,464 ±302.6 keV
β⁻ decay energy	1,533 ±43.07 keV
β⁻ decay energy with neutron	-2,368 ±42.42 keV

Point at nuclide

223PoPolonium-223

Classification	z: 84; n: 139; m: 223
Half life	300 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2010
Mass excess	27,070 ±196 keV
Binding energy	7,655 ±1 keV
Single-particle energy	9,160 ±358 keV
Neutron separation energy	3,479 ±200 keV
Q value for electron capture	-5,161 ±445.4 keV
β⁻ decay energy	3,651 ±196 keV
β⁻ decay energy with neutron	-1,946 ±196 keV

Point at nuclide Decay chain of Polonium-223

224PoPolonium-224

Classification	z: 84; n: 140; m: 224
Half life	stable nuclide
Natural abundance	synthetic nuclide
Spin/parity	0+
Discovery	2010
Mass excess	29,910 ±196 keV
Binding energy	7,644 ±1 keV
Single-particle energy	9,619 ±445 keV
Neutron separation energy	5,240 ±277 keV
Q value for electron capture	-7,160 ±445.4 keV
β⁻ decay energy	2,199 ±197 keV
β⁻ decay energy with neutron	-1,589 ±196 keV

Point at nuclide

225PoPolonium-225

Classification	z: 84; n: 141; m: 225
Half life	300 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2010
Mass excess	34,580 ±300 keV
Binding energy	7,626 ±1 keV
Single-particle energy	9,779 ±500 keV
Neutron separation energy	3,402 ±358 keV
β⁻ decay energy	4,280 ±424 keV
β⁻ decay energy with neutron	-1,202 ±301 keV

Point at nuclide Decay chain of Polonium-225

226PoPolonium-226

Classification	z: 84; n: 142; m: 226
Half life	300 ns
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	2010
Mass excess	37,540 ±401 keV
Binding energy	7,614 ±2 keV
Neutron separation energy	5,103 ±500 keV
β⁻ decay energy	2,889 ±500 keV
β⁻ decay energy with neutron	-822 ±500 keV

Point at nuclide Decay chain of Polonium-226

227PoPolonium-227

Classification	z: 84; n: 143; m: 227
Half life	300 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2010
Mass excess	42,280 ±401 keV
Binding energy	7,596 ±2 keV
Neutron separation energy	3,339 ±566 keV
β⁻ decay energy	4,850 ±500 keV
β⁻ decay energy with neutron	-451 ±500 keV

Point at nuclide Decay chain of Polonium-227

Isotopes of Polonium

186PoPolonium-186ads_clickcall_splitdownload

187PoPolonium-187ads_clickcall_splitdownload

188PoPolonium-188ads_clickcall_splitdownload

189PoPolonium-189ads_clickcall_splitdownload

190PoPolonium-190ads_clickcall_splitdownload

191PoPolonium-191ads_clickcall_splitdownload

192PoPolonium-192ads_clickcall_splitdownload

193PoPolonium-193ads_clickcall_splitdownload

194PoPolonium-194ads_clickcall_splitdownload

195PoPolonium-195ads_clickcall_splitdownload

196PoPolonium-196ads_clickcall_splitdownload

197PoPolonium-197ads_clickcall_splitdownload

198PoPolonium-198ads_clickcall_splitdownload

199PoPolonium-199ads_clickcall_splitdownload

200PoPolonium-200ads_clickcall_splitdownload

201PoPolonium-201ads_clickcall_splitdownload

202PoPolonium-202ads_clickcall_splitdownload

203PoPolonium-203ads_clickcall_splitdownload

204PoPolonium-204ads_clickcall_splitdownload

205PoPolonium-205ads_clickcall_splitdownload

206PoPolonium-206ads_clickcall_splitdownload

207PoPolonium-207ads_clickcall_splitdownload

208PoPolonium-208ads_clickcall_splitdownload

209PoPolonium-209ads_clickcall_splitdownload

210PoPolonium-210ads_clickcall_splitdownload

211PoPolonium-211ads_clickcall_splitdownload

212PoPolonium-212ads_clickcall_splitdownload

213PoPolonium-213ads_clickcall_splitdownload

214PoPolonium-214ads_clickcall_splitdownload

215PoPolonium-215ads_clickcall_splitdownload

216PoPolonium-216ads_clickcall_splitdownload

217PoPolonium-217ads_clickcall_splitdownload

218PoPolonium-218ads_clickcall_splitdownload

219PoPolonium-219ads_clickcall_splitdownload

220PoPolonium-220ads_clickcall_splitdownload

221PoPolonium-221ads_clickcall_splitdownload

222PoPolonium-222ads_clickdownload

223PoPolonium-223ads_clickcall_splitdownload

224PoPolonium-224ads_clickdownload

225PoPolonium-225ads_clickcall_splitdownload

226PoPolonium-226ads_clickcall_splitdownload

227PoPolonium-227ads_clickcall_splitdownload

186PoPolonium-186

187PoPolonium-187

188PoPolonium-188

189PoPolonium-189

190PoPolonium-190

191PoPolonium-191

192PoPolonium-192

193PoPolonium-193

194PoPolonium-194

195PoPolonium-195

196PoPolonium-196

197PoPolonium-197

198PoPolonium-198

199PoPolonium-199

200PoPolonium-200

201PoPolonium-201

202PoPolonium-202

203PoPolonium-203

204PoPolonium-204

205PoPolonium-205

206PoPolonium-206

207PoPolonium-207

208PoPolonium-208

209PoPolonium-209

210PoPolonium-210

211PoPolonium-211

212PoPolonium-212

213PoPolonium-213

214PoPolonium-214

215PoPolonium-215

216PoPolonium-216

217PoPolonium-217

218PoPolonium-218

219PoPolonium-219

220PoPolonium-220

221PoPolonium-221

222PoPolonium-222

223PoPolonium-223

224PoPolonium-224

225PoPolonium-225

226PoPolonium-226

227PoPolonium-227