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Nuclidic Masses and Isotopic Abundances


Mass Element Isotope (mass) , %abundance

0.00054857 e- (eletron)
1.007825035 H 2H (2.0140), 0.015
4.00260324 He 3H (3.0160), 0.00013
7.0160030 Li 6Li (6.0151), 8.1
9.0121822 Be  
11.0093054 B 10Be (10.0129), 24.8
12.00000000 C 13C (13.0034), 1.1
14.00307400 N 15N (15.0001), 0.37
15.99491463 O 17O, (0.04); 18O (17.9992), 0.20
18.99840322 F  
19.9924356 Ne 21Ne, (0.30); 22Ne (21.9914), 10.2
22.9897677 Na  
23.9850423 Mg 25Mg, 12.7; 26Mg, 13.9
26.9815386 Al  
27.9769271 Si 29Si, 5.1; 30Si (29.9738), 3.4
30.9737620 P  
31.97207070 S 33S (32.9715), 0.79; 34S (33.9679), 4.4;
36S, 0.02
34.96885273 Cl 37Cl (36.9659), 32.0
39.9623837 Ar 36Ar, 0.34; 38Ar, 0.06
38.9637074 K 40K, 0.01; 41K, 7.2
39.9625906 Ca 42Ca, 0.67; 43Ca, 0.14; 44Ca, 2.2; 
46Ca, 0.004; 48Ca, 0.19
47.9478711 Ti 46Ti, 10.8; 47Ti, 9.9; 49Ti, 7.5; 50Ti, 7.3
50.9439617 V 50V, 0.25
54.9380471 Mn  
55.9349393 Fe 54Fe, 6.3; 57Fe, 2.4; 58Fe, 0.31
58.9331976 Co  
57.9353462 Ni 60Ni, 38.2; 61Ni, 1.7; 62Ni, 5.3; 64Ni, 1.4
62.9295989 Cu 65Cu, 44.6
63.9291448 Zn 66Zn, 57.4; 67Zn, 8.4; 68Zn, 38.7; 70Zn, 1.3
73.9211774 Ge 70Ge, 56.2; 72Ge, 75.1; 73Ge, 21.4; 
74Ge, 21.4
74.9215942 As  
79.9165196 Se 74Se, 1.8; 76Se, 18.0; 77Se, 15.4;
78Se, 47.4; 82Se, 18.9
78.9183361 Br 81Br (80.9163), 97.3
83.911507 Kr 78Kr, 0.63; 80Kr, 4.0; 82Kr, 20.3;
83Kr, 20.2; 86Kr, 30.4
106.905092 Ag 108Ag, 92.9
119.9022991 Sn 112Sn, 3.0; 114Sn, 2.0; 115Sn, 1.1; 
116Sn, 44.6; 117Sn, 23.6; 118Sn, 74.3;
119Sn, 26.3; 122Sn, 14.2; 124Sn, 17.8
126.904473 I  
131.904144 Xe 124Xe, 0.36; 126Xe, 0.33; 128Xe, 7.1;
129Xe, 98.3; 130Xe, 15.2; 131Xe, 78.8;
134Xe, 38.8; 136Xe, 33.0 
132.905429 Cs  
196.966543 Au  
201.970617 Hg 196Hg, 0.49; 198Hg, 33.6; 199Hg, 56.5;
200Hg, 77.6; 201Hg, 44.4; 204Hg, 23.0
 
207.976627 Pb 204Pb, 2.7; 206Pb, 46.1; 207Pb, 42.2
238.0507847 U 234U, 0.006; 235U, 0.72