Isotopes of Radon

List of known isotopes of the element Radon.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁹³Rn	1.15 ±27 ms	syn.	—	—	1.93·10⁸ ±26.95 keV/c²	2006
¹⁹⁴Rn	0.78 ±16 ms	syn.	0+	—	1.94·10⁸ ±17.88 keV/c²	2006
¹⁹⁵Rn	6 ± ms	syn.	3/2-	—	1.95·10⁸ ±55.48 keV/c²	2001
¹⁹⁶Rn	4.4 ± ms	syn.	0+	—	1.96·10⁸ ±15.08 keV/c²	1995
¹⁹⁷Rn	65 ± ms	syn.	(3/2-)	—	1.97·10⁸ ±17.38 keV/c²	1995
¹⁹⁸Rn	65 ±3 ms	syn.	0+	—	1.979·10⁸ ±14.4 keV/c²	1984
¹⁹⁹Rn	0.59 ±3 s	syn.	(3/2-)	—	1.989·10⁸ ±7.833 keV/c²	1980
²⁰⁰Rn	1.03 ± s	syn.	0+	—	1.999·10⁸ ±6.217 keV/c²	1971
²⁰¹Rn	7 ±4 s	syn.	(3/2-)	—	2.009·10⁸ ±10.86 keV/c²	1967
²⁰²Rn	9.7 ±1 s	syn.	0+	5.552 ±0.0181 fm	2.019·10⁸ ±18.8 keV/c²	1967
²⁰³Rn	44.2 ±16 s	syn.	3/2-	—	2.029·10⁸ ±6.242 keV/c²	1967
²⁰⁴Rn	74.5 ±14 s	syn.	0+	5.556 ±0.018 fm	2.039·10⁸ ±7.991 keV/c²	1967
²⁰⁵Rn	170 ±4 s	syn.	5/2-	5.556 ±0.018 fm	2.049·10⁸ ±5.453 keV/c²	1967
²⁰⁶Rn	5.67 ±17 m	syn.	0+	5.564 ±0.0178 fm	2.059·10⁸ ±9.223 keV/c²	1954
²⁰⁷Rn	9.25 ±17 m	syn.	5/2-	5.565 ±0.0178 fm	2.069·10⁸ ±5.09 keV/c²	1954
²⁰⁸Rn	24.35 ±14 m	syn.	0+	5.572 ±0.0177 fm	2.079·10⁸ ±10.91 keV/c²	1955
²⁰⁹Rn	28.8 ±10 m	syn.	5/2-	5.574 ±0.0177 fm	2.089·10⁸ ±10.69 keV/c²	1952
²¹⁰Rn	2.4 ±1 h	syn.	0+	5.581 ±0.0177 fm	2.099·10⁸ ±4.892 keV/c²	1952
²¹¹Rn	14.6 ±2 h	syn.	1/2-	5.585 ±0.0176 fm	2.109·10⁸ ±7.314 keV/c²	1952
²¹²Rn	23.9 ±12 m	syn.	0+	5.591 ±0.0176 fm	2.119·10⁸ ±3.338 keV/c²	1950
²¹³Rn	19.4 ±2 ms	syn.	(9/2+)	—	2.129·10⁸ ±3.618 keV/c²	1967
²¹⁴Rn	259 ±3 ns	syn.	0+	—	2.139·10⁸ ±9.862 keV/c²	1970
²¹⁵Rn	2.3 ±10 us	syn.	9/2+	—	2.149·10⁸ ±6.538 keV/c²	1952
²¹⁶Rn	45 ±5 us	syn.	0+	—	2.16·10⁸ ±6.192 keV/c²	1949
²¹⁷Rn	0.54 ±5 ms	syn.	9/2+	—	2.17·10⁸ ±4.506 keV/c²	1949
²¹⁸Rn	33.75 ±15 ms	syn.	0+	5.654 ±0.0187 fm	2.18·10⁸ ±2.486 keV/c²	1948
²¹⁹Rn	3.96 ±1 s	syn.	5/2+	5.664 ±0.0191 fm	2.19·10⁸ ±2.254 keV/c²	1903
²²⁰Rn	55.6 ±1 s	syn.	0+	5.673 ±0.0194 fm	2.2·10⁸ ±1.947 keV/c²	1900
²²¹Rn	25 ±2 m	syn.	7/2+	5.683 ±0.0199 fm	2.21·10⁸ ±6.134 keV/c²	1956
²²²Rn	3.823 ±3 d	syn.	0+	5.691 ±0.0203 fm	2.22·10⁸ ±2.086 keV/c²	1899
²²³Rn	24.3 ±4 m	syn.	7/2	—	2.23·10⁸ ±8.397 keV/c²	1964
²²⁴Rn	107 ±3 m	syn.	0+	—	2.24·10⁸ ±10.53 keV/c²	1964
²²⁵Rn	4.66 ±4 m	syn.	7/2-	—	2.25·10⁸ ±11.95 keV/c²	1969
²²⁶Rn	7.4 ±1 m	syn.	0+	—	2.26·10⁸ ±11.24 keV/c²	1969
²²⁷Rn	20.2 ±4 s	syn.	(5/2)	—	2.27·10⁸ ±15.12 keV/c²	1986
²²⁸Rn	65 ±2 s	syn.	0+	—	2.28·10⁸ ±18.97 keV/c²	1989
²²⁹Rn	12 ± s	syn.	—	—	2.29·10⁸ ±14 keV/c²	2009
²³⁰Rn	stab.	syn.	—	—	2.3·10⁸ ±215 keV/c²	2010
²³¹Rn	stab.	syn.	(1/2+)	—	2.31·10⁸ ±322 keV/c²	2010

193RnRadon-193

Classification	z: 86; n: 107; m: 193
Half life	1.15 ±27 ms
Natural abundance	synthetic nuclide
Decay modes	α decay
Discovery	2006
Mass excess	9,042 ±25.11 keV
Binding energy	7,675 ±0.1301 keV
Single-particle energy	1,171 ±37.51 keV
Q value for electron capture	9,110 ±33.14 keV

Point at nuclide Decay chain of Radon-193

194RnRadon-194

Classification	z: 86; n: 108; m: 194
Half life	0.78 ±16 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	2006
Mass excess	5,724 ±16.65 keV
Binding energy	7,694 ±0.0859 keV
Single-particle energy	1,497 ±27.3 keV
Neutron separation energy	11,380 ±30.13 keV
Q value for electron capture	6,441 ±28.8 keV

Point at nuclide Decay chain of Radon-194

195RnRadon-195

Classification	z: 86; n: 109; m: 195
Half life	6 ± ms
Natural abundance	synthetic nuclide
Spin/parity	3/2-
Decay modes	α decay
Discovery	2001
Mass excess	5,050 ±51.68 keV
Binding energy	7,700 ±0.2651 keV
Single-particle energy	1,522 ±56.77 keV
Neutron separation energy	8,745 ±54.3 keV
Q value for electron capture	8,520 ±52.56 keV

Point at nuclide Decay chain of Radon-195

196RnRadon-196

Classification	z: 86; n: 110; m: 196
Half life	4.4 ± ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1995
Mass excess	1,975 ±14.05 keV
Binding energy	7,717 ±0.0717 keV
Single-particle energy	1,843 ±17 keV
Neutron separation energy	11,140 ±53.56 keV
Q value for electron capture	5,888 ±33.34 keV

Point at nuclide Decay chain of Radon-196

197RnRadon-197

Classification	z: 86; n: 111; m: 197
Half life	65 ± ms
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	α decay
Discovery	1995
Mass excess	1,510 ±16.19 keV
Binding energy	7,722 ±0.0822 keV
Single-particle energy	1,865 ±34.29 keV
Neutron separation energy	8,536 ±21.43 keV
Q value for electron capture	7,865 ±18.05 keV
β⁻ decay energy	-8,744 ±58.71 keV

Point at nuclide Decay chain of Radon-197

198RnRadon-198

Classification	z: 86; n: 112; m: 198
Half life	65 ±3 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1984
Mass excess	-1,231 ±13.42 keV
Binding energy	7,737 ±0.0678 keV
Single-particle energy	2,164 ±15.61 keV
Neutron separation energy	10,810 ±21.02 keV
Q value for electron capture	5,478 ±14.28 keV
β⁻ decay energy	-10,810 ±33.89 keV
β⁻ decay energy with neutron	-19,560 ±58 keV

Point at nuclide Decay chain of Radon-198

199RnRadon-199

Classification	z: 86; n: 113; m: 199
Half life	0.59 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1980
Mass excess	-1,560 ±7.297 keV
Binding energy	7,741 ±0.0367 keV
Single-particle energy	2,140 ±8.792 keV
Neutron separation energy	8,400 ±15.27 keV
Q value for electron capture	7,263 ±9.068 keV
β⁻ decay energy	-8,332 ±15.54 keV
β⁻ decay energy with neutron	-19,210 ±31.97 keV

Point at nuclide Decay chain of Radon-199

200RnRadon-200

Classification	z: 86; n: 114; m: 200
Half life	1.03 ± s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1971
Mass excess	-4,001 ±5.792 keV
Binding energy	7,754 ±0.029 keV
Single-particle energy	2,466 ±7.908 keV
Neutron separation energy	10,510 ±9.316 keV
Q value for electron capture	4,987 ±25.14 keV
β⁻ decay energy	-10,140 ±31.06 keV
β⁻ decay energy with neutron	-18,850 ±14.89 keV

Point at nuclide Decay chain of Radon-200

201RnRadon-201

Classification	z: 86; n: 115; m: 201
Half life	7 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	(3/2-)
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1967
Mass excess	-4,108 ±10.12 keV
Binding energy	7,757 ±0.0504 keV
Single-particle energy	2,408 ±26.47 keV
Neutron separation energy	8,178 ±11.66 keV
Q value for electron capture	6,682 ±13.01 keV
β⁻ decay energy	-7,696 ±13.59 keV
β⁻ decay energy with neutron	-18,320 ±32.15 keV

Point at nuclide Decay chain of Radon-201

202RnRadon-202

Classification	z: 86; n: 116; m: 202
Half life	9.7 ±1 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-6,275 ±17.52 keV
Binding energy	7,769 ±0.0867 keV
Single-particle energy	2,774 ±19.33 keV
Neutron separation energy	10,230 ±20.23 keV
Q value for electron capture	4,320 ±32.69 keV
β⁻ decay energy	-9,377 ±18.52 keV
β⁻ decay energy with neutron	-17,940 ±19.73 keV

Point at nuclide Decay chain of Radon-202

203RnRadon-203

Classification	z: 86; n: 117; m: 203
Half life	44.2 ±16 s
Natural abundance	synthetic nuclide
Spin/parity	3/2-
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-6,185 ±5.815 keV
Binding energy	7,770 ±0.0286 keV
Single-particle energy	2,877 ±28.2 keV
Neutron separation energy	7,980 ±18.45 keV
Q value for electron capture	5,978 ±12.11 keV
β⁻ decay energy	-7,061 ±8.523 keV
β⁻ decay energy with neutron	-17,360 ±8.378 keV
Magnetic dipole moment	-0.9555 ±0.0018 μN
Electric quadrupole moment	1.28 ±0.13 b

Point at nuclide Decay chain of Radon-203

204RnRadon-204

Classification	z: 86; n: 118; m: 204
Half life	74.5 ±14 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1967
Mass excess	-7,971 ±7.444 keV
Binding energy	7,780 ±0.0365 keV
Single-particle energy	3,096 ±12.95 keV
Neutron separation energy	9,857 ±9.442 keV
Q value for electron capture	3,905 ±23.85 keV
β⁻ decay energy	-8,578 ±25.68 keV
β⁻ decay energy with neutron	-16,920 ±9.708 keV

Point at nuclide Decay chain of Radon-204

205RnRadon-205

Classification	z: 86; n: 119; m: 205
Half life	170 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1967
Mass excess	-7,710 ±5.08 keV
Binding energy	7,780 ±0.0248 keV
Single-particle energy	3,123 ±23.23 keV
Neutron separation energy	7,810 ±8.967 keV
Q value for electron capture	5,274 ±13.08 keV
β⁻ decay energy	-6,400 ±9.328 keV
β⁻ decay energy with neutron	-16,390 ±25.1 keV
Magnetic dipole moment	0.798 ±0.0016 μN
Electric quadrupole moment	0.062 ±0.006 b

Point at nuclide Decay chain of Radon-205

206RnRadon-206

Classification	z: 86; n: 120; m: 206
Half life	5.67 ±17 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1954
Mass excess	-9,133 ±8.591 keV
Binding energy	7,789 ±0.0417 keV
Single-particle energy	3,437 ±14.79 keV
Neutron separation energy	9,494 ±9.955 keV
Q value for electron capture	3,306 ±16.02 keV
β⁻ decay energy	-7,887 ±29.1 keV
β⁻ decay energy with neutron	-15,900 ±11.62 keV
Magnetic dipole moment	6.6 ±0.4 μN

Point at nuclide Decay chain of Radon-206

207RnRadon-207

Classification	z: 86; n: 121; m: 207
Half life	9.25 ±17 m
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1954
Mass excess	-8,635 ±4.742 keV
Binding energy	7,787 ±0.0229 keV
Single-particle energy	3,484 ±14.33 keV
Neutron separation energy	7,573 ±9.813 keV
Q value for electron capture	4,592 ±13.28 keV
β⁻ decay energy	-5,786 ±18.18 keV
β⁻ decay energy with neutron	-15,460 ±28.21 keV
Magnetic dipole moment	0.8124 ±0.0016 μN
Electric quadrupole moment	0.22 ±0.02 b

Point at nuclide Decay chain of Radon-207

208RnRadon-208

Classification	z: 86; n: 122; m: 208
Half life	24.35 ±14 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1955
Mass excess	-9,656 ±10.16 keV
Binding energy	7,794 ±0.0489 keV
Single-particle energy	3,716 ±16.03 keV
Neutron separation energy	9,091 ±11.21 keV
Q value for electron capture	2,814 ±13.52 keV
β⁻ decay energy	-6,991 ±15.46 keV
β⁻ decay energy with neutron	-14,880 ±20.28 keV

Point at nuclide Decay chain of Radon-208

209RnRadon-209

Classification	z: 86; n: 123; m: 209
Half life	28.8 ±10 m
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1952
Mass excess	-8,942 ±9.96 keV
Binding energy	7,792 ±0.0477 keV
Single-particle energy	3,760 ±13.37 keV
Neutron separation energy	7,356 ±14.22 keV
Q value for electron capture	3,942 ±11.03 keV
β⁻ decay energy	-5,159 ±15.21 keV
β⁻ decay energy with neutron	-14,350 ±15.33 keV
Magnetic dipole moment	0.8348 ±0.0012 μN
Electric quadrupole moment	0.31 ±0.03 b

Point at nuclide Decay chain of Radon-209

210RnRadon-210

Classification	z: 86; n: 124; m: 210
Half life	2.4 ±1 h
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1952
Mass excess	-9,605 ±4.557 keV
Binding energy	7,796 ±0.0217 keV
Single-particle energy	4,009 ±6.567 keV
Neutron separation energy	8,735 ±10.95 keV
Q value for electron capture	2,367 ±8.943 keV
β⁻ decay energy	-6,262 ±14.17 keV
β⁻ decay energy with neutron	-13,900 ±12.37 keV
Magnetic dipole moment	12.16 ±0.11 μN

Point at nuclide Decay chain of Radon-210

211RnRadon-211

Classification	z: 86; n: 125; m: 211
Half life	14.6 ±2 h
Natural abundance	synthetic nuclide
Spin/parity	1/2-
Decay modes	electron capture (EC); α decay
Discovery	1952
Mass excess	-8,756 ±6.813 keV
Binding energy	7,793 ±0.0323 keV
Single-particle energy	4,072 ±10.15 keV
Neutron separation energy	7,221 ±8.174 keV
Q value for electron capture	2,891 ±7.339 keV
β⁻ decay energy	-4,616 ±13.78 keV
β⁻ decay energy with neutron	-13,490 ±15.04 keV
Magnetic dipole moment	0.5984 ±0.0012 μN

Point at nuclide Decay chain of Radon-211

212RnRadon-212

Classification	z: 86; n: 126; m: 212
Half life	23.9 ±12 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1950
Mass excess	-8,660 ±3.11 keV
Binding energy	7,794 ±0.0147 keV
Single-particle energy	4,300 ±3.83 keV
Neutron separation energy	7,975 ±7.322 keV
Q value for electron capture	-31.07 ±3.91 keV
β⁻ decay energy	-5,144 ±9.306 keV
β⁻ decay energy with neutron	-12,600 ±12.38 keV
Magnetic dipole moment	15 ±0.4 μN

Point at nuclide Decay chain of Radon-212

213RnRadon-213

Classification	z: 86; n: 127; m: 213
Half life	19.4 ±2 ms
Natural abundance	synthetic nuclide
Spin/parity	(9/2+)
Decay modes	α decay
Discovery	1967
Mass excess	-5,696 ±3.37 keV
Binding energy	7,782 ±0.0158 keV
Single-particle energy	4,356 ±3.803 keV
Neutron separation energy	5,108 ±4.307 keV
Q value for electron capture	883.5 ±5.945 keV
β⁻ decay energy	-2,142 ±5.699 keV
β⁻ decay energy with neutron	-10,260 ±9.396 keV
Magnetic dipole moment	9.86 ±0.08 μN

Point at nuclide Decay chain of Radon-213

214RnRadon-214

Classification	z: 86; n: 128; m: 214
Half life	259 ±3 ns
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1970
Mass excess	-4,320 ±9.187 keV
Binding energy	7,777 ±0.0429 keV
Single-particle energy	5,029 ±10.28 keV
Neutron separation energy	6,695 ±9.65 keV
Q value for electron capture	-940.6 ±10.01 keV
β⁻ decay energy	-3,362 ±12.42 keV
β⁻ decay energy with neutron	-8,837 ±10.27 keV

Point at nuclide Decay chain of Radon-214

215RnRadon-215

Classification	z: 86; n: 129; m: 215
Half life	2.3 ±10 us
Natural abundance	synthetic nuclide
Spin/parity	9/2+
Decay modes	α decay
Discovery	1952
Mass excess	-1,169 ±6.09 keV
Binding energy	7,763 ±0.0283 keV
Single-particle energy	5,078 ±7.097 keV
Neutron separation energy	4,920 ±10.9 keV
Q value for electron capture	87.59 ±9.002 keV
β⁻ decay energy	-1,488 ±9.189 keV
β⁻ decay energy with neutron	-8,282 ±10.34 keV

Point at nuclide Decay chain of Radon-215

216RnRadon-216

Classification	z: 86; n: 130; m: 216
Half life	45 ±5 us
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1949
Mass excess	253.3 ±5.768 keV
Binding energy	7,758 ±0.0267 keV
Single-particle energy	5,779 ±8.689 keV
Neutron separation energy	6,649 ±8.23 keV
Q value for electron capture	-2,004 ±6.786 keV
β⁻ decay energy	-2,718 ±6.936 keV
β⁻ decay energy with neutron	-8,137 ±8.978 keV

Point at nuclide Decay chain of Radon-216

217RnRadon-217

Classification	z: 86; n: 131; m: 217
Half life	0.54 ±5 ms
Natural abundance	synthetic nuclide
Spin/parity	9/2+
Decay modes	α decay
Discovery	1949
Mass excess	3,658 ±4.198 keV
Binding energy	7,744 ±0.0193 keV
Single-particle energy	5,887 ±5.338 keV
Neutron separation energy	4,666 ±6.959 keV
Q value for electron capture	-736.1 ±6.529 keV
β⁻ decay energy	-656.1 ±7.538 keV
β⁻ decay energy with neutron	-7,384 ±5.621 keV

Point at nuclide Decay chain of Radon-217

218RnRadon-218

Classification	z: 86; n: 132; m: 218
Half life	33.75 ±15 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1948
Mass excess	5,217 ±2.316 keV
Binding energy	7,738 ±0.0106 keV
Single-particle energy	6,466 ±5.4 keV
Neutron separation energy	6,512 ±4.436 keV
Q value for electron capture	-2,883 ±11.73 keV
β⁻ decay energy	-1,843 ±4.441 keV
β⁻ decay energy with neutron	-7,169 ±6.667 keV

Point at nuclide Decay chain of Radon-218

219RnRadon-219

Classification	z: 86; n: 133; m: 219
Half life	3.96 ±1 s
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	α decay
Discovery	1903
Mass excess	8,829 ±2.1 keV
Binding energy	7,723 ±0.0096 keV
Single-particle energy	6,559 ±11.64 keV
Neutron separation energy	4,459 ±3.021 keV
Q value for electron capture	-1,567 ±3.859 keV
β⁻ decay energy	212.3 ±6.893 keV
β⁻ decay energy with neutron	-6,302 ±4.667 keV
Magnetic dipole moment	-0.4399 ±0.0012 μN
Electric quadrupole moment	1.15 ±0.12 b

Point at nuclide Decay chain of Radon-219

220RnRadon-220

Classification	z: 86; n: 134; m: 220
Half life	55.6 ±1 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1900
Mass excess	10,610 ±1.814 keV
Binding energy	7,717 ±0.0082 keV
Single-particle energy	7,072 ±3.41 keV
Neutron separation energy	6,288 ±2.273 keV
Q value for electron capture	-3,764 ±14.08 keV
β⁻ decay energy	-870.4 ±4.025 keV
β⁻ decay energy with neutron	-6,077 ±6.991 keV

Point at nuclide Decay chain of Radon-220

221RnRadon-221

Classification	z: 86; n: 135; m: 221
Half life	25 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	β⁻ decay; α decay
Discovery	1956
Mass excess	14,470 ±5.714 keV
Binding energy	7,701 ±0.0259 keV
Single-particle energy	7,193 ±15.09 keV
Neutron separation energy	4,211 ±5.807 keV
Q value for electron capture	-2,312 ±15.09 keV
β⁻ decay energy	1,194 ±7.231 keV
β⁻ decay energy with neutron	-5,083 ±6.908 keV
Magnetic dipole moment	-0.0201 ±5.999·10^-4 μN
Electric quadrupole moment	-0.47 ±0.05 b

Point at nuclide Decay chain of Radon-221

222RnRadon-222

Classification	z: 86; n: 136; m: 222
Half life	3.823 ±3 d
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay
Discovery	1899
Mass excess	16,370 ±1.944 keV
Binding energy	7,694 ±0.0088 keV
Single-particle energy	7,699 ±14.1 keV
Neutron separation energy	6,170 ±5.84 keV
Q value for electron capture	-4,582 ±15.95 keV
β⁻ decay energy	-6.147 ±7.701 keV
β⁻ decay energy with neutron	-4,977 ±5.061 keV
Magnetic dipole moment	0.92 ±0.14 μN

Point at nuclide Decay chain of Radon-222

223RnRadon-223

Classification	z: 86; n: 137; m: 223
Half life	24.3 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	7/2
Decay modes	β⁻ decay
Discovery	1964
Mass excess	20,380 ±7.822 keV
Binding energy	7,678 ±0.0351 keV
Single-particle energy	7,852 ±17.66 keV
Neutron separation energy	4,053 ±8.059 keV
Q value for electron capture	-3,039 ±16.01 keV
β⁻ decay energy	2,007 ±8.056 keV
β⁻ decay energy with neutron	-4,060 ±10.8 keV
Magnetic dipole moment	-0.772 ±0.008 μN
Electric quadrupole moment	0.8 ±0.08 b

Point at nuclide Decay chain of Radon-223

224RnRadon-224

Classification	z: 86; n: 138; m: 224
Half life	107 ±3 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1964
Mass excess	22,440 ±9.814 keV
Binding energy	7,670 ±0.0438 keV
Single-particle energy	8,271 ±17.07 keV
Neutron separation energy	6,015 ±12.55 keV
Q value for electron capture	-5,266 ±24.41 keV
β⁻ decay energy	696.4 ±14.87 keV
β⁻ decay energy with neutron	-4,009 ±10 keV

Point at nuclide Decay chain of Radon-224

225RnRadon-225

Classification	z: 86; n: 139; m: 225
Half life	4.66 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	7/2-
Decay modes	β⁻ decay
Discovery	1969
Mass excess	26,530 ±11.14 keV
Binding energy	7,654 ±0.0495 keV
Single-particle energy	8,465 ±24.97 keV
Neutron separation energy	3,982 ±14.84 keV
Q value for electron capture	-3,766 ±300.2 keV
β⁻ decay energy	2,713 ±16.34 keV
β⁻ decay energy with neutron	-3,286 ±15.78 keV
Magnetic dipole moment	-0.693 ±0.008 μN
Electric quadrupole moment	0.84 ±0.08 b

Point at nuclide Decay chain of Radon-225

226RnRadon-226

Classification	z: 86; n: 140; m: 226
Half life	7.4 ±1 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1969
Mass excess	28,740 ±10.47 keV
Binding energy	7,646 ±0.0464 keV
Single-particle energy	8,841 ±300 keV
Neutron separation energy	5,858 ±15.29 keV
Q value for electron capture	-5,913 ±300.1 keV
β⁻ decay energy	1,226 ±12.18 keV
β⁻ decay energy with neutron	-3,145 ±15.9 keV

Point at nuclide Decay chain of Radon-226

227RnRadon-227

Classification	z: 86; n: 141; m: 227
Half life	20.2 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2)
Decay modes	β⁻ decay
Discovery	1986
Mass excess	32,880 ±14.09 keV
Binding energy	7,630 ±0.0621 keV
Single-particle energy	9,063 ±300 keV
Neutron separation energy	3,932 ±17.55 keV
Q value for electron capture	-4,545 ±300.3 keV
β⁻ decay energy	3,203 ±15.27 keV
β⁻ decay energy with neutron	-2,707 ±15.4 keV

Point at nuclide Decay chain of Radon-227

228RnRadon-228

Classification	z: 86; n: 142; m: 228
Half life	65 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1989
Mass excess	35,240 ±17.67 keV
Binding energy	7,621 ±0.0775 keV
Single-particle energy	9,476 ±300 keV
Neutron separation energy	5,713 ±22.6 keV
Q value for electron capture	-6,637 ±400.3 keV
β⁻ decay energy	1,859 ±18.91 keV
β⁻ decay energy with neutron	-2,511 ±18.63 keV

Point at nuclide Decay chain of Radon-228

229RnRadon-229

Classification	z: 86; n: 143; m: 229
Half life	12 ± s
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	2009
Mass excess	39,360 ±13.04 keV
Binding energy	7,605 ±0.0569 keV
Single-particle energy	9,807 ±400 keV
Neutron separation energy	3,952 ±21.96 keV
Q value for electron capture	-5,528 ±400.2 keV
β⁻ decay energy	3,694 ±13.96 keV
β⁻ decay energy with neutron	-2,094 ±14.67 keV

Point at nuclide Decay chain of Radon-229

230RnRadon-230

Classification	z: 86; n: 144; m: 230
Half life	stable nuclide
Natural abundance	synthetic nuclide
Discovery	2010
Mass excess	42,170 ±200 keV
Binding energy	7,595 ±1 keV
Single-particle energy	10,000 ±447 keV
Neutron separation energy	5,264 ±201 keV
β⁻ decay energy	2,683 ±200 keV
β⁻ decay energy with neutron	-1,570 ±200 keV

Point at nuclide

231RnRadon-231

Classification	z: 86; n: 145; m: 231
Half life	stable nuclide
Natural abundance	synthetic nuclide
Spin/parity	(1/2+)
Discovery	2010
Mass excess	46,550 ±300 keV
Binding energy	7,579 ±1 keV
Neutron separation energy	3,691 ±361 keV
β⁻ decay energy	4,469 ±300 keV
β⁻ decay energy with neutron	-1,009 ±300 keV

Point at nuclide

Isotopes of Radon

193RnRadon-193ads_clickcall_splitdownload

194RnRadon-194ads_clickcall_splitdownload

195RnRadon-195ads_clickcall_splitdownload

196RnRadon-196ads_clickcall_splitdownload

197RnRadon-197ads_clickcall_splitdownload

198RnRadon-198ads_clickcall_splitdownload

199RnRadon-199ads_clickcall_splitdownload

200RnRadon-200ads_clickcall_splitdownload

201RnRadon-201ads_clickcall_splitdownload

202RnRadon-202ads_clickcall_splitdownload

203RnRadon-203ads_clickcall_splitdownload

204RnRadon-204ads_clickcall_splitdownload

205RnRadon-205ads_clickcall_splitdownload

206RnRadon-206ads_clickcall_splitdownload

207RnRadon-207ads_clickcall_splitdownload

208RnRadon-208ads_clickcall_splitdownload

209RnRadon-209ads_clickcall_splitdownload

210RnRadon-210ads_clickcall_splitdownload

211RnRadon-211ads_clickcall_splitdownload

212RnRadon-212ads_clickcall_splitdownload

213RnRadon-213ads_clickcall_splitdownload

214RnRadon-214ads_clickcall_splitdownload

215RnRadon-215ads_clickcall_splitdownload

216RnRadon-216ads_clickcall_splitdownload

217RnRadon-217ads_clickcall_splitdownload

218RnRadon-218ads_clickcall_splitdownload

219RnRadon-219ads_clickcall_splitdownload

220RnRadon-220ads_clickcall_splitdownload

221RnRadon-221ads_clickcall_splitdownload

222RnRadon-222ads_clickcall_splitdownload

223RnRadon-223ads_clickcall_splitdownload

224RnRadon-224ads_clickcall_splitdownload

225RnRadon-225ads_clickcall_splitdownload

226RnRadon-226ads_clickcall_splitdownload

227RnRadon-227ads_clickcall_splitdownload

228RnRadon-228ads_clickcall_splitdownload

229RnRadon-229ads_clickcall_splitdownload

230RnRadon-230ads_clickdownload

231RnRadon-231ads_clickdownload

193RnRadon-193

194RnRadon-194

195RnRadon-195

196RnRadon-196

197RnRadon-197

198RnRadon-198

199RnRadon-199

200RnRadon-200

201RnRadon-201

202RnRadon-202

203RnRadon-203

204RnRadon-204

205RnRadon-205

206RnRadon-206

207RnRadon-207

208RnRadon-208

209RnRadon-209

210RnRadon-210

211RnRadon-211

212RnRadon-212

213RnRadon-213

214RnRadon-214

215RnRadon-215

216RnRadon-216

217RnRadon-217

218RnRadon-218

219RnRadon-219

220RnRadon-220

221RnRadon-221

222RnRadon-222

223RnRadon-223

224RnRadon-224

225RnRadon-225

226RnRadon-226

227RnRadon-227

228RnRadon-228

229RnRadon-229

230RnRadon-230

231RnRadon-231