HALF-LIVES Flashcards
1
Q
Americium 241
A
432.2 years
2
Q
Barium 133
A
10.74 years
3
Q
Bismuth 212
A
60.55 minutes
4
Q
Cadmium 109
A
464 days
5
Q
Calcium 45
A
163 days
6
Q
Carbon 14
A
5730 years
7
Q
Cesium 137
A
30 years
8
Q
Chlorine 36
A
301,000 years
9
Q
Chromium 51
A
27.704 days
10
Q
Cobalt 57
A
270.9 days
11
Q
Cobalt 58
A
70.8 days
12
Q
Cobalt 60
A
5.271 years
13
Q
Copper 62
A
9.74 minutes
14
Q
Copper 64
A
12.701 hours
15
Q
Copper 67
A
61.86 hours
16
Q
Gallium 67
A
78.26 hours
17
Q
Gallium 68
A
68 minutes
18
Q
Gold 195
A
183 days
19
Q
Hydrogen 3
A
12.35 years
20
Q
Indium 111
A
2.83 days
21
Q
Indium 113m
A
1.658 hours
22
Q
Iodine 123
A
13.2 hours
23
Q
Iodine 125
A
60.14 days
24
Q
Iodine 129
A
15,700,00 years
25
Iodine 131
8.04 days
26
Iron 55
2.7 years
27
Iron 59
44.529 days
28
Krypton 81m
13 secs
29
Krypton 85
10.72 years
30
Lutetium 17
6.71 days
31
Molybdenum 99
66 hours
32
Nickel 63
96 years
33
Phosphorous 32
14.29 days
34
Phosphorous 33
25.4 days
35
Plutonium 239
24,065 years
36
Polonium 210
138.38 days
37
Radium 226
1600 years
38
Radon 222
3.8235 days
39
Rhenium 188
16.98 hours
40
Rubidium 81
4.58 hours
41
Selenium 75
119.8 days
42
Sodium 22
2.602 years
43
Sodium 24
15 hours
44
Strontium 85
64.84 days
45
Strontium 89
50.5 days
46
Strontium 90
29.12 years
47
Sulfur 35
87.44 days
48
Technetium 99
213,000 years
49
Technetium 99m
6.02 hours
50
Tin 113
115.1 days
51
Tungsten 188
69.4 days
52
Uranium 235
703,800,000 years
53
Uranium 238
4,468,000,000 years
54
Xenon 127
6.41 days
55
Xenon 133
5.245 days
56
Yttrium 90
64 hours
57
Ytterbium 169
32.01 days
