At No | Symbol | Name | Atomic Wt | Notes |
1 | H | Hydrogen | 1.008 | 3, 6 |
2 | He | Helium | 4.002602(2) | 1, 2 |
3 | Li | Lithium | 6.94 | 3, 6 |
4 | Be | Beryllium | 9.0121831(5) | |
5 | B | Boron | 10.81 | 3, 6 |
6 | C | Carbon | 12.011 | 6 |
7 | N | Nitrogen | 14.007 | 6 |
8 | O | Oxygen | 15.999 | 放弃爱你6 |
9 | F | Fluorine | 18.998403163(6) | |
10 | Ne | Neon | 20.1797(6) | 1, 3 |
何川洋11 | Na | Sodium | 22.98976928(2) | |
12 | Mg | Magnesium | 24.305 | 6 |
13 | Al | Aluminium | 26.9815385(7) | |
14 | Si | Silicon | 28.085 | 6 |
15 | P | Phosphorus | 30.973761998(5) | |
16 | S | Sulfur | 32.06 | 6 |
17 | Cl | Chlorine | 35.45 | 3, 6 |
18 | Ar | Argon | 39.948(1) | 1, 2 |
19 | K | Potassium | 39.0983(1) | |
20 | Ca | Calcium | 40.078(4) | |
21 | Sc | Scandium | 44.955908(5) | |
22 | Ti | Titanium | 47.867(1) | |
23 | V | Vanadium | 50.9415(1) | |
24 | Cr | Chromium | 51.9961(6) | |
25 | Mn | Mangane | 54.938044(3) | |
26 | Fe | Iron | 55.845(2) | |
27 | Co | Cobalt | 58.933194(4) | |
28 | Ni | Nickel | 58.6934(4) | 2 |
29 | Cu | Copper | 63.546(3) | 2 |
30 | Znwin7休眠设置 | Zinc | 65.38(2) | 2 |
31 | Ga | Gallium | 69.723(1) | |
32 | Ge | Germanium | 72.630(8) | |
33 | As | Arnic | 74.921595(6) | |
34 | Se | Selenium | 78.971(8) | 谁不知道我爱你|
35 | Br | Bromine | 79.904 | 6 |
36 | Kr | Krypton | 83.798(2) | 1, 3 |
37 | Rb | Rubidium | 85.4678(3) | 1 |
38 | Sr | Strontium | 87.62(1) | 1, 2 |
39 | Y | Yttrium | 88.90584(2) | |
40 | Zr | Zirconium | 91.224(2) | 1 |
41 | Nb | Niobium | 92.90637(2) | |
42 | Mo | Molybdenum | 95.95(1) | 1 |
43 | Tc | Technetium | [97] | 4 |
44 | Ru | Ruthenium | 101.07(2) | 1 |
45 | Rh | Rhodium | 102.90550(2) | |
46 | Pd | Palladium | 106.42(1) | 1 |
47 | 谭咏麟Ag | Silver | 107.8682(2) | 1 |
48 | Cd | Cadmium | 112.414(4) | 1 |
49 | In | Indium | 114.818(1) | |
50 | Sn | Tin | 118.710(7) | 1 |
51 | Sb | Antimony | 121.760(1) | 1 |
52 | Te | Tellurium | 127.60(3) | 1 |
53 | I | Iodine | 126.90447(3) | |
54 | Xe | Xenon | 131.293(6) | 1, 3 |
55 | Cs | Caesium | 132.90545196(6) | |
河南医保56 | Ba | Barium | 137.327(7) | |
57 | La | Lanthanum | 138.90547(7) | 1 |
58 | Ce | Cerium | 140.116(1) | 1 |
59 | Pr | Praodymium | 咳嗽能不能吃鸡肉140.90766(2) | |
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