Synchronzeiten T(Cn) für Durchschnittsmasse M und Neutronen n aller Isotope
mi= Zahl (Z+n) des i-ten Isotopes
N=100,  Einheit: Jahre
stabile Elemente
Z
Einh.
M
T(M)
m1
T(n1)
m2
T(n2)
m3
T(n3)
m4
T(n4)
m5
T(n5)
m6
T(n6)
m7
T(n7)
m8
T(n8)
m9
T(n9)
m10
T(n10)
Wasserstoff
1
 Jahre 1,00796 0,178472 1 0 2 0,176817 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Helium
2
 Jahre 4,00260 0,708703 3 0,176817 4 0,353634 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lithium
3
 Jahre 6,94099 1,228979 6 0,530451 7 0,707268 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Beryllium
4
 Jahre 9,01220 1,595708 9 0,884085 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bor
5
 Jahre 10,8109 1,914205 10 0,884085 11 1,060902 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Kohlenstoff
6
 Jahre 12,0111 2,126704 12 1,060902 13 1,237719 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Stickstoff
7
 Jahre 14,0066 2,480038 14 1,237719 15 1,414536 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Sauerstoff
8
 Jahre 15,9994 2,832867 16 1,414536 17 1,591353 18 1,768171 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Fluor
9
 Jahre 18,9983 3,363873 19 1,768171 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Neon
10
 Jahre 20,1790 3,572911 20 1,768171 21 1,944988 22 2,121805 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Natrium
11
 Jahre 22,9897 4,070594 23 2,121805 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Magnesium
12
 Jahre 24,3050 4,303464 24 2,121805 25 2,298622 26 2,475439 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Aluminium
13
 Jahre 26,9815 4,777368 27 2,475439 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Silizium
14
 Jahre 28,0860 4,972931 28 2,475439 29 2,652256 30 2,829073 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Phosphor
15
 Jahre 30,9738 5,484248 31 2,829073 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Schwefel
16
 Jahre 32,0639 5,677279 32 2,829073 33 3,005890 34 3,182707 36 3,536342 0 0 0 0 0 0 0 0 0 0 0 0
Chlor
17
 Jahre 35,4529 6,277339 35 3,182707 37 3,536342 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Argon
18
 Jahre 39,9480 7,073228 36 3,182707 38 3,536342 40 3,889976 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Kalium
19
 Jahre 39,1020 6,923434 39 3,536342 40 3,713159 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Calcium
20
 Jahre 40,0800 7,096600 40 3,536342 42 3,889976 43 4,066793 44 4,243610 46 4,597244 48 4,950878 0 0 0 0 0 0 0 0
Scandium
21
 Jahre 44,9560 7,959949 45 4,243610 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Titan
22
 Jahre 47,9000 8,481216 46 4,243610 47 4,420427 48 4,597244 49 4,774061 50 4,950878 0 0 0 0 0 0 0 0 0 0
Vanadium
23
 Jahre 50,9420 9,019835 50 4,774061 51 4,950878 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Chrom
24
 Jahre 51,9959 9,206457 50 4,597244 52 4,950878 53 5,127695 54 5,304513 0 0 0 0 0 0 0 0 0 0 0 0
Mangan
25
 Jahre 54,9379 9,727370 55 5,304513 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Eisen
26
 Jahre 55,8470 9,888318 54 4,950878 56 5,304513 57 5,481330 58 5,658147 0 0 0 0 0 0 0 0 0 0 0 0
Kobalt
27
 Jahre 58,9332 10,43476 59 5,658147 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Nickel
28
 Jahre 58,7099 10,39524 58 5,304513 60 5,658147 61 5,834964 62 6,011781 64 6,365415 0 0 0 0 0 0 0 0 0 0
Kupfer
29
 Jahre 63,5460 11,25151 63 6,011781 65 6,365415 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Zink
30
 Jahre 65,3700 11,57447 64 6,011781 66 6,365415 67 6,542232 68 6,719049 70 7,072684 0 0 0 0 0 0 0 0 0 0
Gallium
31
 Jahre 69,7200 12,34468 69 6,719049 71 7,072684 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Germanium
32
 Jahre 72,5899 12,85284 70 6,719049 72 7,072684 73 7,249501 74 7,426318 76 7,779952 0 0 0 0 0 0 0 0 0 0
Arsen
33
 Jahre 74,9216 13,26568 75 7,426318 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Selen
34
 Jahre 78,9599 13,98072 74 7,072684 76 7,426318 77 7,603135 78 7,779952 80 8,133586 82 8,487220 0 0 0 0 0 0 0 0
Brom
35
 Jahre 79,9039 14,14787 79 7,779952 81 8,133586 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Krypton
36
 Jahre 83,8000 14,83770 78 7,426318 80 7,779952 82 8,133586 83 8,310403 84 8,487220 86 8,840855 0 0 0 0 0 0 0 0
Rubidium
37
 Jahre 85,4700 15,13339 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Strontium
38
 Jahre 87,6200 15,51407 84 8,133586 86 8,487220 87 8,664038 88 8,840855 0 0 0 0 0 0 0 0 0 0 0 0
Yttrium
39
 Jahre 88,9049 15,74159 89 8,840855 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Zirkon
40
 Jahre 91,2200 16,15149 90 8,840855 91 9,017672 92 9,194489 94 9,548123 96 9,901757 0 0 0 0 0 0 0 0 0 0
Niob
41
 Jahre 92,9059 16,45001 93 9,194489 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Molybdän
42
 Jahre 95,9400 16,98722 92 8,840855 94 9,194489 95 9,371306 96 9,548123 97 9,724940 98 9,901757 100 10,25539 0 0 0 0 0 0
Technetium
43
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Ruthenium
44
 Jahre 101,069 17,89554 96 9,194489 98 9,548123 99 9,724940 100 9,901757 101 10,07857 102 10,25539 104 10,60902 0 0 0 0 0 0
Rhodium
45
 Jahre 102,904 18,22044 103 10,25539 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Palladium
46
 Jahre 106,400 18,83927 102 9,901757 104 10,25539 105 10,43220 106 10,60902 108 10,96266 110 11,31629 0 0 0 0 0 0 0 0
Silber
47
 Jahre 107,867 19,09920 107 10,60902 109 10,96266 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Cadmium
48
 Jahre 112,400 19,90164 106 10,25539 108 10,60902 110 10,96266 111 11,13947 112 11,31629 114 11,66992 116 12,02356 0 0 0 0 0 0
Indium
49
 Jahre 114,819 20,33012 113 11,31629 115 11,66992 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Zinn
50
 Jahre 118,690 21,01535 112 10,96266 114 11,31629 115 11,49311 116 11,66992 117 11,84674 118 12,02356 119 12,20038 120 12,37719 122 12,73083 124 13,08446
Antimon
51
 Jahre 121,75 21,55716 121 12,37719 123 12,73083 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Tellur
52
 Jahre 127,599 22,59296 120 12,02356 122 12,37719 124 12,73083 125 12,90764 126 13,08446 128 13,43809 130 13,79173 0 0 0 0 0 0
Jod
53
 Jahre 126,904 22,46980 127 13,08446 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Xenon
54
 Jahre 131,300 23,24809 124 12,37719 126 12,73083 128 13,08446 129 13,26128 130 13,43809 131 13,61491 132 13,79173 134 14,14536 136 14,49900 0 0
Caesium
55
 Jahre 132,904 23,53227 133 13,79173 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Barium
56
 Jahre 137,339 24,31754 130 13,08446 132 13,43809 134 13,79173 135 13,96855 136 14,14536 137 14,32218 138 14,49900 0 0 0 0 0 0
Lanthan
57
 Jahre 138,910 24,59552 138 14,32218 139 14,49900 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Cer
58
 Jahre 140,119 24,80976 136 13,79173 138 14,14536 140 14,49900 142 14,85263 0 0 0 0 0 0 0 0 0 0 0 0
Praseodym
59
 Jahre 140,906 24,94911 141 14,49900 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Neodym
60
 Jahre 144,240 25,53926 142 14,49900 143 14,67581 145 15,02945 146 15,20627 148 15,55990 150 15,91353 0 0 0 0 0 0 0 0
Promethium
61
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Samarium
62
 Jahre 150,350 26,62110 144 14,49900 147 15,02945 148 15,20627 149 15,38308 150 15,55990 0 0 0 0 0 0 0 0 0 0
Europium
63
 Jahre 151,960 26,90617 151 15,55990 153 15,91353 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Gadolinium
64
 Jahre 157,25 27,84282 154 15,91353 155 16,09035 156 16,26717 157 16,44399 158 16,62080 160 16,97444 0 0 0 0 0 0 0 0
Terbium
65
 Jahre 158,923 28,13922 159 16,62080 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Dysprosium
66
 Jahre 162,5 28,77239 156 15,91353 158 16,26717 160 16,62080 161 16,79762 162 16,97444 163 17,15125 164 17,32807 0 0 0 0 0 0
Holmium
67
 Jahre 164,929 29,20264 165 17,32807 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Erbium
68
 Jahre 167,259 29,61520 162 16,62080 164 16,97444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Thulium
69
 Jahre 168,934 29,91160 169 17,68171 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Ytterbium
70
 Jahre 173,039 30,63861 168 17,32807 170 17,68171 171 17,85852 172 18,03534 173 18,21216 174 18,38897 176 18,74261 0 0 0 0 0 0
Lutetium
71
 Jahre 174,970 30,98034 175 18,38897 176 18,56579 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Hafnium
72
 Jahre 178,490 31,60359 176 18,38897 177 18,56579 178 18,74261 179 18,91943 180 19,09624 0 0 0 0 0 0 0 0 0 0
Tantal
73
 Jahre 180,947 32,03881 180 18,91943 181 19,09624 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Wolfram
74
 Jahre 183,850 32,55264 180 18,74261 182 19,09624 183 19,27306 184 19,44988 186 19,80351 0 0 0 0 0 0 0 0 0 0
Rhenium
75
 Jahre 186,199 32,96873 185 19,44988 187 19,80351 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Osmium
76
 Jahre 190,199 33,67697 184 19,09624 187 19,62669 188 19,80351 189 19,98033 190 20,15714 192 20,51078 0 0 0 0 0 0 0 0
Iridium
77
 Jahre 192,199 34,03110 191 20,15714 193 20,51078 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Platin
78
 Jahre 195,089 34,54280 192 20,15714 194 20,51078 195 20,68760 196 20,86441 198 21,21805 0 0 0 0 0 0 0 0 0 0
Gold
79
 Jahre 196,966 34,87514 197 20,86441 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Quecksilber
80
 Jahre 200,589 35,51664 196 20,51078 198 20,86441 199 21,04123 200 21,21805 201 21,39486 202 21,57168 204 21,92532 0 0 0 0 0 0
Thallium
81
 Jahre 204,369 36,18593 203 21,57168 205 21,92532 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Blei
82
 Jahre 207,190 36,68524 206 21,92532 207 22,10213 208 22,27895 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Wismut
83
 Jahre 208,979 37,00218 209 22,27895 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Polonium
84
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Astatin
85
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Radon
86
 Jahre 222 39,30751 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Francium
87
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Radium
88
 Jahre 226,050 40,02461 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Actinium
89
 Jahre 227 40,19281 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Thorium
90
 Jahre 232,037 41,08485 232 25,10802 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Protactinium
91
 Jahre 0 0 231 24,75439 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Uran
92
 Jahre 238,029 42,14580 234 25,10802 235 25,28484 238 25,81529 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Neptunium
93
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Plutonium
94
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Americium
95
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Curium
96
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Berkelium
97
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Californium
98
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Einsteinium
99
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Fermium
100
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Mendelevium
101
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Nobelium
102
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Lawrencium
103
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Kurtschatovium
104
 Jahre 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0