相對原子質量表

维基媒体列表条目

原子序 元素 符號 標準原子質量 不確定度 單同位素質量
1 H 1.0080 ±0.0002
2 He 4.0026 ±0.0001
3 Li 6.94 ±0.06
4 Be 9.0122 ±0.0001 9.0121 831±0.0000 005
5 B 10.81 ±0.02
6 C 12.011 ±0.002
7 N 14.007 ±0.001
8 O 15.999 ±0.001
9 F 18.998 ±0.001
10 Ne 20.180 ±0.001
11 Na 22.990 ±0.001
12 Mg 24.305 ±0.002
13 Al 26.982 ±0.001
14 Si 28.0855 ±0.001
15 P 30.974 ±0.001
16 S 32.06 ±0.02
17 Cl 35.45 ±0.01
18 Ar 39.95 ±0.16
19 K 39.098 ±0.001
20 Ca 40.078 ±0.004
21 Sc 44.956 ±0.0001
22 Ti 47.867 ±0.001
23 V 50.942 ±0.001
24 Cr 51.996 ±0.001
25 Mn 54.938 ±0.001
26 Fe 55.845 ±0.002
27 Co 58.933 ±0.001
28 Ni 58.693 ±0.001
29 Cu 63.546 ±0.003
30 Zn 65.38 ±0.02
31 Ga 69.723 ±0.001
32 Ge 72.630 ±0.008
33 As 74.922 ±0.001
34 Se 78.971 ±0.008
35 Br 79.904 ±0.003
36 Kr 83.798 ±0.002
37 Rb 85.468 ±0.001
38 Sr 87.62 ±0.01
39 Y 88.906 ±0.001
40 Zr 91.224 ±0.002
41 Nb 92.906 ±0.001
42 Mo 95.95 ±0.01
43 Tc [97]
44 Ru 101.07 ±0.02
45 Rh 102.91 ±0.01
46 Pd 106.42 ±0.01
47 Ag 107.87 ±0.01
48 Cd 112.41 ±0.01
49 In 114.82 ±0.01
50 Sn 118.71 ±0.01
51 Sb 121.76 ±0.01
52 Te 127.60 ±0.03
53 I 126.90 ±0.01
54 Xe 131.29 ±0.01
55 Cs 132.91 ±0.01
56 Ba 137.33 ±0.01
57 La 138.91 ±0.01
58 Ce 140.12 ±0.01
59 Pr 140.91 ±0.01
60 Nd 144.24 ±0.01
61 Pm [145]
62 Sm 150.36 ±0.02
63 Eu 151.96 ±0.01
64 Gd 157.25 ±0.03
65 Tb 158.93 ±0.01 Tb159,穩定,158.925 354±0.000 007
66 Dy 162.50 ±0.01
67 Ho 164.93 ±0.01
68 Er 167.26 ±0.01
69 Tm 168.93 ±0.01
70 Yb 173.05 ±0.02
71 Lu 174.97 ±0.01
72 Hf 178.49 ±0.01
73 Ta 180.95 ±0.01
74 W 183.84 ±0.01
75 Re 186.21 ±0.01
76 Os 190.23 ±0.03
77 Ir 192.22 ±0.01
78 Pt 195.08 ±0.02
79 Au 196.97 ±0.01
80 Hg 200.59 ±0.01
81 Tl 204.38 ±0.01
82 Pb 207.2 ±1.1
83 Bi 208.98 ±0.01
84 Po [209]
85 At [210]
86 Rn [222]
87 Fr [223]
88 Ra [226]
89 Ac [227]
90 Th 232.04 ±0.01
91 Pa 231.04 ±0.01
92 U 238.03 ±0.01
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 𨧀 Db [268]
106 𨭎 Sg [269]
107 𨨏 Bh [270]
108 𨭆 Hs [269]
109 Mt [277]
110 Ds [281]
111 Rg [282]
112 Cn [285]
113 Nh [286]
114 Fl [290]
115 Mc [290]
116 Lv [293]
117 Ts [294]
118 Og [294]

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