週期表
2017-12-08 11:19
| IA | VIIIA （0） |
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| 1 | 1 H 氫 1.008 |
II A | III A | IV A | V A | VI A | VII A | 2 He 氦 4.003 |
K |
2 |
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| 2 | 3 Li 鋰 6.941 |
4 Be 鈹 9.012 |
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| 13 Al 鋁 26.98 |
14 Si 矽 28.09 |
15 P 磷 30.97 |
16 S 硫 32.07 |
17 Cl 氯 35.45 |
18 Ar 氬 39.95 |
M L K |
8 8 2 |
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| 4 | 19 K 鉀 39.10 |
20 Ca 鈣 40.08 |
31 Ga 鎵 69.72 |
32 Ge 鍺 72.59 |
33 As 砷 74.92 |
34 Se 硒 78.96 |
35 Br 溴 79.90 |
36 Kr 氪 83.80 |
N M L K |
8 18 8 2 |
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| 5 | 37 Rb 銣 85.47 |
38 Sr 鍶 87.62 |
49 In 銦 114.8 |
50 Sn 錫 118.7 |
51 Sb 銻 121.8 |
52 Te 碲 127.6 |
53 I 碘 126.9 |
54 Xe 氙 131.3 |
O N M L K |
8 18 18 8 2 |
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| 6 | 55 Cs 銫 132.9 |
56 Ba 鋇 137.3 |
81 Tl 鉈 204.4 |
82 Pb 鉛 207.2 |
83 Bi 鉍 209.0 |
84 Po 釙 (209.0) |
85 At 砈 (210.0) |
86 Rn 氡 (222.0) |
P O N M L K |
8 18 32 18 8 2 |
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| 7 | 87 Fr 鍅 (223.0) |
88 Ra 鐳 (226.0) |
113 Nh 鉨 (284.2) |
114 Fl 鈇 (289.2) |
115 Mc 鏌 (288.2) |
116 Lv 鉝 (293.2) |
117 Ts  (294.2) |
118 Og  (294.2) |
Q P O N M L K |
8 18 32 32 18 8 2 |
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