| IA | IIA | IIIA | IVA | VA | VIA | VIIA | VIII | IB | IIB | IIIB | IVB | VB | VIB | VIIB | 0 | |||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| 1 | 1 Hiđro H 1.01 |
2 Heli He 4.00 |
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| 2 | 3 Liti Li 6.94 |
4 Berili Be 9.01 |
5 Bo B 10.81 |
6 Cacbon C 12.01 |
7 Nitơ N 14.01 |
8 Oxi O 16.00 |
9 Flo F 19.00 |
10 Neon Ne 20.18 |
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| 3 | 11 Natri Na 23.00 |
12 Magie Mg 24.31 |
13 Nhôm Al 26.98 |
14 Silic Si 28.09 |
15 Photpho P 30.97 |
16 Lưu huỳnh S 32.07 |
17 Clo Cl 35.45 |
18 Argon Ar 39.95 |
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| 4 | 19 Kali K 39.10 |
20 Canxi Ca 40.08 |
21 Scandi Sc 44.96 |
22 Titan Ti 47.89 |
23 Vanadi V 50.94 |
24 Crom Cr 52.00 |
25 Mangan Mn 54.94 |
26 Sắt Fe 55.85 |
27 Coban Co 58.93 |
28 Nikel Ni 58.69 |
29 Đồng Cu 63.55 |
30 Kẽm Zn 65.39 |
31 Gali Ga 69.72 |
32 Gecmani Ge 72.61 |
33 Asen As 74.92 |
34 Selen Se 78.96 |
35 Brom Br 79.90 |
36 Kripton Kr 83.80 |
| 5 | 37 Rubidi Rb 85.48 |
38 Stronti Sr 87.62 |
39 Ytri Y 88.91 |
40 Ziriconi Zr 91.22 |
41 Niobi Nb 92.91 |
42 Molipđen Mo 95.94 |
43 Tecnexi Tc [99] |
44 Ruteni Ru 101.07 |
45 Rodi Rh 102.91 |
46 Paladi Pd 106.42 |
47 Bạc Ag 107.87 |
48 Cadimi Cd 112.41 |
49 Indi In 114.82 |
50 Thiếc Sn 118.71 |
51 Antimon Sb 121.76 |
52 Telu Te 127.60 |
53 Iođ I 126.90 |
54 Xenon Xe 131.29 |
| 6 | 55 Xezi Cs 132.91 |
56 Bari Ba 137.33 |
57-71 Họ Lantan * |
72 Hafini Hf 178.49 |
73 Tantan Ta 180.95 |
74 Vonfram W 183.84 |
75 Reni Re 186.21 |
76 Osmi Os 190.23 |
77 Iridi Ir 192.22 |
78 Platin Pt 195.08 |
79 Vàng Au 196.97 |
80 Thủy ngân Hg 200.59 |
81 Tali Tl 204.38 |
82 Chi Pb 207.21 |
83 Bitmut Bi 208.98 |
84 Poloni Po [210] |
85 Atatin At [210] |
86 Radon Rn [222] |
| 7 | 87 Franxi Fr [223] |
88 Radi Ra [226] |
89-103 Họ Actini ** |
104 Kusatovi Rf [261] |
105 Ninsbori Db [262] |
106 Sg [263] |
107 Bh [264] |
108 Hs [269] |
109 Mt [268] |
110 Ds [269] |
111 Rg [272] |
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* |
57 Lantan La 138.91 |
58 Xeri Ce 140.12 |
59 Prazeodim Pr 140.91 |
60 Neodim Nd 144.24 |
61 Prometi Pm [145] |
62 Samari Sm 150.36 |
63 Europi Eu 151.97 |
64 Gadolini Gd 157.25 |
65 Tecbi Tb 158.93 |
66 Đysprozi Dy 162.50 |
67 Holmi Ho 164.93 |
68 Eribi Er 167.26 |
69 Tuli Tm 168.93 |
70 Ytecbi Yb 173.04 |
71 Lutexi Lu 174.97 |
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** |
89 Actini Ac [227] |
90 Thori Th 232.04 |
91 Protactini Pa 231.04 |
92 Uran U 238.03 |
93 Neptuni Np [237] |
94 Plutoni Pu [239] |
95 Amerixi Am [243] |
96 Curi Cm [247] |
97 Beckeli Bk [247] |
98 Califoni Cf [252] |
99 Ensteni Es [252] |
100 Fecmi Fm [257] |
101 Mendelevi Md [256] |
102 Nobeli No [259] |
103 Lorenxi Lr [260] |
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