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| group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| period | |||||||||||||||||||
| 1 |
1 H 1.01 |
2 He 4.00 |
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| 2 |
3 Li 6.94 |
4 Be 9.01 |
5 B 10.81 |
6 C 12.01 |
7 N 14.01 |
8 O 15.99 |
9 F 19.00 |
10 Ne 20.18 |
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| 3 |
11 Na 22.99 |
12 Mg 24.31 |
13 Al 26.98 |
14 Si 28.09 |
15 P 30.97 |
16 S 32.07 |
17 Cl 35.45 |
18 Ar 39.95 |
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| 4 |
19 K 39.10 |
20 Ca 40.08 |
21 Sc 44.96 |
22 Ti 47.87 |
23 V 50.94 |
24 Cr 52.00 |
25 Mn 54.94 |
26 Fe 55.85 |
27 Co 58.93 |
28 Ni 58.69 |
29 Cu 63.55 |
30 Zn 65.41 |
31 Ga 69.72 |
32 Ge 72.64 |
33 As 74.92 |
34 Se 78.96 |
35 Br 79.90 |
36 Kr 83.80 |
|
| 5 |
37 Rb 85.47 |
38 Sr 87.62 |
39 Y 88.91 |
40 Zr 91.22 |
41 Nb 92.91 |
42 Mo 95.94 |
43 Tc (98) |
44 Ru 101.07 |
45 Rh 102.91 |
46 Pd 106.42 |
47 Ag 107.87 |
48 Cd 112.41 |
49 In 114.82 |
50 Sn 118.71 |
51 Sb 121.76 |
52 Te 127.60 |
53 I 126.90 |
54 Xe 131.29 |
|
| 6 |
55 Cs 132.94 |
56 Ba 137.33 |
* |
57 La 138.91 |
72 Hf 178.49 |
73 Ta 180.95 |
74 W 183.84 |
75 Re 186.21 |
76 Os 190.23 |
77 Ir 192.22 |
78 Pt 195.08 |
79 Au 196.97 |
80 Hg 200.59 |
81 Tl 204.38 |
82 Pb 207.20 |
83 Bi 208.98 |
84 Po (209) |
85 At (210) |
86 Rn (222) |
| 7 |
87 Fr (223) |
88 Ra (226) |
** |
89 Ac (227) |
104 Rf (261) |
105 Db (262) |
106 Sg (266) |
107 Bh (264) |
108 Hs (270) |
109 Mt (268) |
110 Ds (281) |
111 Rg (272) |
112 Uub (285) |
113 Uut (284) |
114 Uuq (289) |
115 Uup (288) |
116 Uuh (292) |
117 Uus |
118 Uuo |
| *Lanthanoids |
58 Ce 140.12 |
59 Pr 140.91 |
60 Nd 144.24 |
61 Pm (145) |
62 Sm 150.23 |
63 Eu 150.23 |
64 Gd 157.25 |
65 Tb 158.93 |
66 Dy 162.50 |
67 Ho 164.93 |
68 Er 167.26 |
69 Tm 168.93 |
70 Yb 173.04 |
71 Lu 174.97 |
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| **Actinoids |
90 Th 232.04 |
91 Pa 231.04 |
92 U 238.03 |
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) |
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