- | 64 | Density | g/mL | 7 | .89 | ||||
u | 157 | .25 | K | 1585 | |||||
A | 1 | .61 | K | 3539 | |||||
A | 2 | .54 | kJ/mol | 359 | .4 | ||||
V | 6 | .15 | kJ/mol | 10 | .05 | ||||
- | 1 | .2 | J/gK | 0 | .23 | ||||
137
7 sec EC,8.800 MeV Eu-137 136.94460 |
139
4.9 sec EC/ECp,7.700 Eu-139/Sm-138 138.93805 |
140
15.8 sec EC,5.500 MeV Eu-140 139.93397 |
141
14 sec EC/ECp,7.200 Eu-141/Sm-140 140.93225 |
142
70.2 sec EC,4.500 MeV Eu-142 141.92796 |
143
39 sec EC,6.010 MeV Eu-143 142.92662 |
144
4.5 min EC,3.740 MeV Eu-144 143.92279 |
145
23.0 min EC,5.050 MeV Eu-145 144.92168 |
146
48.27 da EC,1.030 MeV Eu-146 145.91830 |
147
38.06 hr EC,2.187 MeV Eu-147 146.91908 |
148
74.6 yr a,3.271 MeV Sm-144 147.91811 |
149
9.28 da a/EC,1.314 Sm-145/Eu-149 148.91933 |
150
1.79E+6 yr a,2.809 MeV Sm-146 149.91865 |
151
124 da a/EC,1.187 Sm-147/Eu-151 150.92034 |
152
0.20% 1.08E14 yr a,2.205 MeV Sm-148 151.91978 |
153
241.6 da EC,1.900 MeV Eu-153 152.92174 |
154
2.18% Stable 153.92086 |
155
14.80% Stable 154.92261 |
156
20.47% Stable 155.92211 |
157
15.65% Stable 156.92395 |
158
24.84% Stable 157.92410 |
159
18.479 hr B-,2.514 MeV Tb-159 158.92638 |
160
21.86% Stable 159.92705 |
161
3.66 min B-,1.956 MeV Tb-161 160.92966 |
162
8.4 min B-,1.390 MeV Tb-162 161.93098 |
163
68 sec B-,3.100 MeV Tb-163 162.93397 |
164
45 sec B-,2.300 MeV Tb-164 163.93590 | |
MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass |