- | 87 | Density | g/mL | 1 | .87 | ||||
u | 223 | .0197 | K | 300 | .2 | ||||
A | - | K | 950 | ||||||
A | - | kJ/mol | - | ||||||
V | 4 | .08 | kJ/mol | - | |||||
- | 0 | .7 | J/gK | - | |||||
201
48 msec a/EC,7.540 At-197/Rn-201 201.00397 |
202
0.34 sec a/EC,7.389 At-198/Rn-202 202.00332 |
203
0.55 sec a/EC,7.280 At-199/Rn-203 203.00105 |
204
1.7 sec a/EC,7.170 At-200/Rn-204 204.00064 |
205
3.85 sec a/EC,7.060 At-201/Rn-205 204.99866 |
206
15.9 sec a/EC,6.926 At-202/Rn-206 205.99848 |
207
14.8 sec a/EC,6.900 At-203/Rn-207 206.99685 |
208
59.1 sec a/EC,6.770 At-204/Rn-208 207.99713 |
209
50.0 sec a/EC,6.777 At-205/Rn-209 208.99592 |
210
3.18 min a/EC,6.700 At-206/Rn-210 209.99640 |
211
3.10 min a/EC,6.660 At-207/Rn-211 210.99552 |
212
20.0 min a/EC,5.117 At-208/Rn-212 211.99618 |
213
34.6 sec a/EC,6.905 At-209/Rn-213 212.99617 |
214
5.0 msec a,8.589 MeV At-210 213.99895 |
215
86 nsec a,9.540 MeV At-211 215.00032 |
216
0.70 usec a/EC,9.175 At-212/Rn-216 216.00318 |
216a
71 nsec a,9.308 MeV At-212 216.00333 |
217
16 usec a,8.469 MeV At-213 217.00461 |
218
1.0 msec a,8.014 MeV At-214 218.00756 |
219
20 msec a,7.449 MeV At-215 219.00924 |
220
27.4 sec a/B-,6.801 At-216/Ra-220 220.01231 |
221
4.9 min a/B-,6.458 At-217/Ra-221 221.01424 |
222
14.2 min B-,2.033 MeV Ra-222 222.01754 |
223
22.00 min a/B-,1.149 At-219/Ra-223 223.01973 |
224
3.33 min B-,2.830 MeV Ra-224 224.02323 |
225
4.0 min B-,1.866 MeV Ra-225 225.02560 |
226
49 sec B-,3.670 MeV Ra-226 226.02933 |
227
2.47 min B-,2.490 MeV Ra-227 227.03184 |
228
39 sec B-,4.300 MeV Ra-228 228.03574 |
229
50.2 sec B-,4.480 MeV Ra-229 229.03881 |
230
19.1 sec B-,2.560 MeV Ra-230 230.04295 |
231
17.5 sec B-,7.175 MeV Ra-231 231.04618 |
232
5 sec B-,6.370 MeV Ra-232 232.0 |
MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass |