1 H 1.008
2 He 4.002
3 Li 6.94
4 Be 9.012
5 B 10.81
6 C 12.011
7 N 14.007
8 O 15.999
9 F 18.998
10 Ne 20.1797
11 Na 22.989
12 Mg 24.305
13 Al 26.981
14 Si 28.085
15 P 30.973
16 S 32.06
17 Cl 35.45
18 Ar 39.948
19 K 39.0983
20 Ca 40.078
21 Sc 44.955
22 Ti 47.867
23 V 50.9415
24 Cr 51.9961
25 Mn 54.938
26 Fe 55.845
27 Co 58.933
28 Ni 58.6934
29 Cu 63.546
30 Zn 65.38
31 Ga 69.723
32 Ge 72.630
33 As 74.921
34 Se 78.971
35 Br 79.904
36 Kr 83.798
37 Rb 85.4678
38 Sr 87.62
39 Y 88.905
40 Zr 91.224
41 Nb 92.906
42 Mo 95.95
43 Tc 97
44 Ru 101.07
45 Rh 102.905
46 Pd 106.42
47 Ag 107.8682
48 Cd 112.414
49 In 114.818
50 Sn 118.710
51 Sb 121.760
52 Te 127.60
53 I 126.904
54 Xe 131.293
55 Cs 132.905
56 Ba 137.327
57 La 138.905
58 Ce 140.116
59 Pr 140.907
60 Nd 144.242
61 Pm 145
62 Sm 150.36
63 Eu 151.964
64 Gd 157.25
65 Tb 158.925
66 Dy 162.500
67 Ho 164.930
68 Er 167.259
69 Tm 168.934
70 Yb 173.045
71 Lu 174.9668
72 Hf 178.49
73 Ta 180.947
74 W 183.84
75 Re 186.207
76 Os 190.23
77 Ir 192.217
78 Pt 195.084
79 Au 196.966
80 Hg 200.592
81 Tl 204.38
82 Pb 207.2
83 Bi 208.980
84 Po 209
85 At 210
86 Rn 222
87 Fr 223
88 Ra 226
89 Ac 227
90 Th 232.0377
91 Pa 231.035
92 U 238.028
93 Np 237
94 Pu 244
95 Am 243
96 Cm 247
97 Bk 247
98 Cf 251
99 Es 252
100 Fm 257
101 Md 258
102 No 259
103 Lr 262
104 Rf 267
105 Db 270
106 Sg 269
107 Bh 270
108 Hs 270
109 Mt 278
110 Ds 281
111 Rg 281
112 Cn 285
113 Nh 286
114 Fl 289
115 Mc 289
116 Lv 293
117 Ts 293
118 Og 294
