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1 H Hydrogen 1.0074 |
2 He Helium 4.0026 |
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3 Li Lithium 6.9410 |
4 Be Berylium 9.0122 |
5 B Boron 10.811 |
6 C Carbon 12.011 |
7 N Nitrogen 14.007 |
8 O Oxygen 15.999 |
9 F Flourine 18.998 |
10 Ne Neon 20.180 |
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11 Na Sodium 22.990 |
12 Md Magnesium 24.305 |
13 Ai Alominium 26.982 |
14 Si Silicon 28.086 |
15 P Phosphorus 30.974 |
16 S Sulphur 32.065 |
17 Cl Chlorine 35.453 |
18 Ar Argon 39.948 |
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19 K Potassium 39.098 |
20 Ca Calcium 40.078 |
21 Sc Scandium 44.956 |
22 Ti Titanium 47.867 |
23 V Vanadium 50.942 |
24 Cr Chromium 51.996 |
25 Mn Manganese 54.938 |
26 Fe Iron 55.845 |
27 Co Cobalt 58.933 |
28 Ni Nickle 58.693 |
29 Cu Copper 63.546 |
30 Zn Zinc 65.39 |
31 Ga Gallium 69.723 |
32 Ge Germanium 72.64 |
33 As Arsenic 74.922 |
34 Se Selenium 78.96 |
35 Br Bromine 79.904 |
36 Kr krypton 83.8 |
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37 Rb Rubidium 85.468 |
38 Sr Strontium 87.62 |
39 Y Yttrium 88.906 |
40 Zr Zirconium 91.224 |
41 Nb Niobium 92.906 |
42 Mo Molybdenum 95.94 |
43 Tc Technetium 98 |
44 Ru Ruthenium 101.07 |
45 Rh Rhodium 102.906 |
46 Pd Palladium 106.42 |
47 Ag Silver 107.868 |
48 Cd Cadmium 112.411 |
49 In Indium 114.818 |
50 Sn Tin 118.71 |
51 Sb Antimony 121.76 |
52 Te Tellurium 127.6 |
53 I Iodine 126.9045 |
54 Xe Xenon 131.293 |
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55 Cs Cesium 132.906 |
56 Ba Barium 137.327 |
57 La Lanthanum 38.906 |
72 Hf Hafnium 178.49 |
73 Ta Tantalum 180.948 |
74 W Tungsten 183.84 |
75 Re Rhenium 186.207 |
76 Os Osmium 190.23 |
77 Ir Iridium 196.967 |
78 Pt Platinum 192.217 |
79 Au Gold 195.078 |
80 Hg Mercury 200.59 |
81 Tl Thallium 204.383 |
82 Pb Lead 207.2 |
83 Bi Bismuth 208.980 |
84 Po Polonium 209 |
85 At Astatine 210 |
86 Rn Radon 222 |
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87 Fr Francium 223 |
88 Ra Radium 226 |
89 Ac Actinium 227 |
104 Rf Rutherfordium 261 |
105 Db Dubnium 262 |
106 Sg Seaborgium 266 |
107 Bh Bohrium 264 |
108 Hs Hassium 277 |
109 Mt Meitnerium 268 |
110 Ds Darmstadtium 261.9 |
111 Rg Roentgenium 271.8 |
112 Cn Copernicium 285 |
113 Nh Nihonium 286 |
114 Fl Flerovium 289 |
115 Mc Moscovium 288 |
116 Lv Livermorium 293 |
117 Ts Tennessine 260.9 |
118 Og Oganesson 294 |
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58 Ce Cerium 140.116 |
59 Pr Praseodymium 140.908 |
60 Nd Neodymium 144.24 |
61 Pm Promethium 145 |
62 Sm Samarium 150.36 |
63 Eu Europium 151.964 |
64 Gd Gadolinium 157.25 |
65 Tb Terbium 158.9253 |
66 Dy Dysprosium 162.5 |
67 Ho Holmium 164.930 |
68 Er Erbium 167.259 |
69 Tm Thulium 168.934 |
70 Yb Ytterbium 173.04 |
71 Lu Lutetium 174.967 |
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90 Th Thorium 232.038 |
91 Pa Protactinium 231.036 |
92 U Uranium 238.029 |
93 Np Neptunium 237 |
94 Pu Plutonium 244 |
95 Am Americium 243 |
96 Cm 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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