元素週期表

Includes interactive visualizations, properties, orbitals, isotopes, and compound mixing.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pnictogens 16 Chalcogens 17 鹵素 18
1 1 Hydrogen 1.0081 原子序 Symbol 名字 原子量


固體
液體
氣體
未知
金屬 類金屬 非金屬
鹼金屬 鹼土金屬 鑭系元素 過渡金屬 內過度元素 非金屬 惰性氣體
錒系元素
凱氏溫標
°攝氏溫標
°華氏溫標
7s
6s
5s
4s
3s
2s
1s
7p
6p
5p
4p
3p
2p
6d
5d
4d
3d
=
m=
n=
5f
4f
s
p
d
f
α α衰變 β− β衰變
p 質子發射 β+ Positron emission
n 中子發射 K+ 捕獲電子
SF 自發性分裂   穩定
2 Helium 4.00262 K
2 3 Lithium 6.942
1
4 Beryllium 9.01222
2
5 Boron 10.812
3
6 Carbon 12.0112
4
7 Nitrogen 14.0072
5
8 Oxygen 15.9992
6
9 Fluorine 18.9982
7
10 Neon 20.1802
8
K
L
3 11 Sodium 22.9902
8
1
12 Magnesium 24.3052
8
2
13 Aluminium 26.9822
8
3
14 Silicon 28.0852
8
4
15 Phosphorus 30.9742
8
5
16 Sulfur 32.062
8
6
17 Chlorine 35.452
8
7
18 Argon 39.9482
8
8
K
L
M
4 19 Potassium 39.0982
8
8
1
20 Calcium 40.0782
8
8
2
21 Scandium 44.9562
8
9
2
22 Titanium 47.8672
8
10
2
23 Vanadium 50.9422
8
11
2
24 Chromium 51.9962
8
13
1
25 Manganese 54.9382
8
13
2
26 Iron 55.8452
8
14
2
27 Cobalt 58.9332
8
15
2
28 Nickel 58.6932
8
16
2
29 Copper 63.5462
8
18
1
30 Zinc 65.382
8
18
2
31 Gallium 69.7232
8
18
3
32 Germanium 72.6302
8
18
4
33 Arsenic 74.9222
8
18
5
34 Selenium 78.9712
8
18
6
35 Bromine 79.9042
8
18
7
36 Krypton 83.7982
8
18
8
K
L
M
N
5 37 Rubidium 85.4682
8
18
8
1
38 Strontium 87.622
8
18
8
2
39 Yttrium 88.9062
8
18
9
2
40 Zirconium 91.2242
8
18
10
2
41 Niobium 92.9062
8
18
12
1
42 Molybdenum 95.952
8
18
13
1
43 Technetium (98)2
8
18
13
2
44 Ruthenium 101.072
8
18
15
1
45 Rhodium 102.912
8
18
16
1
46 Palladium 106.422
8
18
18
47 Silver 107.872
8
18
18
1
48 Cadmium 112.412
8
18
18
2
49 Indium 114.822
8
18
18
3
50 Tin 118.712
8
18
18
4
51 Antimony 121.762
8
18
18
5
52 Tellurium 127.602
8
18
18
6
53 Iodine 126.902
8
18
18
7
54 Xenon 131.292
8
18
18
8
K
L
M
N
O
6 55 Caesium 132.912
8
18
18
8
1
56 Barium 137.332
8
18
18
8
2
57–71 72 Hafnium 178.492
8
18
32
10
2
73 Tantalum 180.952
8
18
32
11
2
74 Tungsten 183.842
8
18
32
12
2
75 Rhenium 186.212
8
18
32
13
2
76 Osmium 190.232
8
18
32
14
2
77 Iridium 192.222
8
18
32
15
2
78 Platinum 195.082
8
18
32
17
1
79 Gold 196.972
8
18
32
18
1
80 Mercury 200.592
8
18
32
18
2
81 Thallium 204.382
8
18
32
18
3
82 Lead 207.22
8
18
32
18
4
83 Bismuth 208.982
8
18
32
18
5
84 Polonium (209)2
8
18
32
18
6
85 Astatine (210)2
8
18
32
18
7
86 Radon (222)2
8
18
32
18
8
K
L
M
N
O
P
7 87 Francium (223)2
8
18
32
18
8
1
88 Radium (226)2
8
18
32
18
8
2
89–103 104 Rutherfordium (267)2
8
18
32
32
10
2
105 𨧀 Dubnium (268)2
8
18
32
32
11
2
106 𨭎 Seaborgium (269)2
8
18
32
32
12
2
107 𨨏 Bohrium (270)2
8
18
32
32
13
2
108 𨭆 Hassium (277)2
8
18
32
32
14
2
109 Meitnerium (278)2
8
18
32
32
15
2
110 Darmstadtium (281)2
8
18
32
32
17
1
111 Roentgenium (282)2
8
18
32
32
17
2
112 Copernicium (285)2
8
18
32
32
18
2
113 Nh Nihonium (286)2
8
18
32
32
18
3
114 Fl Flerovium (289)2
8
18
32
32
18
4
115 Mc Moscovium (290)2
8
18
32
32
18
5
116 Lv Livermorium (293)2
8
18
32
32
18
6
117 Ts Tennessine (294)2
8
18
32
32
18
7
118 Og Oganesson (294)2
8
18
32
32
18
8
K
L
M
N
O
P
Q
對沒有穩定同位素的元素,其同位素中半衰期最長的數目在括號中標示出來。
57 Lanthanum 138.912
8
18
18
9
2
58 Cerium 140.122
8
18
19
9
2
59 Praseodymium 140.912
8
18
21
8
2
60 Neodymium 144.242
8
18
22
8
2
61 Promethium (145)2
8
18
23
8
2
62 Samarium 150.362
8
18
24
8
2
63 Europium 151.962
8
18
25
8
2
64 Gadolinium 157.252
8
18
25
9
2
65 Terbium 158.932
8
18
27
8
2
66 Dysprosium 162.502
8
18
28
8
2
67 Holmium 164.932
8
18
29
8
2
68 Erbium 167.262
8
18
30
8
2
69 Thulium 168.932
8
18
31
8
2
70 Ytterbium 173.052
8
18
32
8
2
71 Lutetium 174.972
8
18
32
9
2
89 Actinium (227)2
8
18
32
18
9
2
90 Thorium 232.042
8
18
32
18
10
2
91 Protactinium 231.042
8
18
32
20
9
2
92 Uranium 238.032
8
18
32
21
9
2
93 Neptunium (237)2
8
18
32
22
9
2
94 Plutonium (244)2
8
18
32
24
8
2
95 Americium (243)2
8
18
32
25
8
2
96 Curium (247)2
8
18
32
25
9
2
97 Berkelium (247)2
8
18
32
27
8
2
98 Californium (251)2
8
18
32
28
8
2
99 Einsteinium (252)2
8
18
32
29
8
2
100 Fermium (257)2
8
18
32
30
8
2
101 Mendelevium (258)2
8
18
32
31
8
2
102 Nobelium (259)2
8
18
32
32
8
2
103 Lawrencium (266)2
8
18
32
32
8
3

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元素週期表 Chemical Element Loading…