| THE PERIODIC TABLE OF THE ELEMENTS | |||||||||||||||||
1 |
key | Alkali Metals | 18 |
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| 1 H Hydrogen 1.00794 |
atomic number symbol name standard atomic weight |
Alkaline Earth Metals | 2 He Helium 4.002602 |
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| Transition Metals | |||||||||||||||||
2 |
Other Metals | 13 |
14 |
15 |
16 |
17 |
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| 3 Li Lithium 6.941 |
4 Be Beryllium 9.012182 |
Nonmetals | 5 B Boron 10.811 |
6 C Carbon 12.0107 |
7 N Nitrogen 14.00674 |
8 O Oxygen 15.9994 |
9 F Fluorine 18.9984032 |
10 Ne Neon 20.1797 |
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| Inert Gases | |||||||||||||||||
| 11 Na Sodium 22.989770 |
12 Mg Magnesium 24.3050 |
|
13 Al Aluminium 24.3050 |
14 Si Silicon 24.3050 |
15 P Phosphorus 24.3050 |
16 S Sulfur 24.3050 |
17 Cl Chlorine 20.1797 |
18 Ar Argon 20.1797 |
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3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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| 19 K Potassium 39.0983 |
20 Ca Calcium 40.078 |
21 Sc Scandium 44.955910 |
22 Ti Titanium 47.867 |
23 V Vanadium 50.9415 |
24 Cr Chromium 51.9961 |
25 Mn Maganese 54.938049 |
26 Fe Iron 55.8457 |
27 Co Cobalt 58.933200 |
28 Ni Nickel 58.6934 |
29 Cu Copper 63.546 |
30 Zn Zinc 65.39 |
31 Ga Gallium 69.723 |
32 Ge Germanium 72.61 |
33 As Arsenic 74.92160 |
34 Se Selenium 78.96 |
35 Br Bromine 79.904 |
36 Kr Krypton 83.80 |
| 37 Rb Rubidium 85.4678 |
38 Sr Strontium 87.62 |
39 Y Yttrium 88.90585 |
40 Zr Zirconium 91.224 |
41 Nb Niobium 92.90638 |
42 Mo Molybdenum 95.94 |
43 Tc Technetium (98) |
44 Ru Ruthenium 101.07 |
45 Rh Rhodium 102.90550 |
46 Pd Palladium 106.42 |
47 Ag Silver 107.8682 |
48 Cd Cadmium 112.411 |
49 In Indium 114.818 |
50 Sn Tin 118.710 |
51 Sb Antimony 121.760 |
52 Te Tellurium 127.60 |
53 I Iodine 126.90447 |
54 Xe Xenon 131.29 |
| 55 Cs Cesium 132.90545 |
56 Ba Barium 137.327 |
57-71 lanthanolds | 72 Hf Hafnium 178.49 |
73 Ta Tantalum 180.9479 |
74 W Tungsten 183.84 |
75 Re Rhenium 186.207 |
76 Os Osmium 190.23 |
77 Ir Iridium 192.217 |
78 Pt Platinum 195.078 |
79 Au Gold 1196.96655 |
80 Hg Mercury 200.59 |
81 Tl Thallium 204.3833 |
82 Pb Lead 207.2 |
83 Bi Bismuth 208.98038 |
84 Po Polonium (209) |
85 At Astatine (210) |
86 Rn Radon (222) |
| 87 Fr Francium (223) |
88 Ra Radium (226) |
89-103 actinolds |
104 Rf Rutherfordium (261) |
105 Db Dubnium (262) |
106 Sg Seaborgium (263) |
107 Bh Bohrium (262) |
108 Hs Hassium (265) |
109 Mt Meitnerium (266) |
110 Ds darmstadtium (271) |
111 Rg roentgenium (272) |
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| 57 La Lanthanum 138.9055 |
58 Ce Cerium 138.9055 |
59 Pr Praseodymium 138.9055 |
60 Nd Neodymium 138.9055 |
61 Pm Promethium 138.9055 |
62 Sm Samarium 138.9055 |
63 Eu Europium 138.9055 |
64 Gd Gadolinium 138.9055 |
65 Tb Terbium 138.9055 |
66 Dy Dysprosium 138.9055 |
67 Ho Holmium 138.9055 |
68 Er Erbium 138.9055 |
69 Tm Thulium 138.9055 |
70 Yb Ytterbium 138.9055 |
71 Lu Lutetium 138.9055 |
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| 89 Ac Actinum (227) |
90 Th Thorium 232.0381 |
91 Pa Proactinium 231.03588 |
92 U Uranium 238.0289 |
93 Np Neptunium (237) |
94 Pu Plutonium (244) |
95 Am Americium (243) |
96 Cu Curium (247) |
97 Bk Berkelium (247) |
98 Cf Californium (251) |
99 Es Einsteinium (252) |
100 Fm Fermium (257) |
101 Md Mendelevium (258) |
102 No Nobelium (259) |
103 Lr Lawrencium (262) |
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