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| 1 H Hydrogen 1.0079 |
ATOMIC NUMBER SYMBOL NAME ATOMIC MASS | 2 He Helium 4.003 |
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| 3 Li Litium 6.941 |
4 Be Beryllium 9.012 |
5 B Boron 10.811 |
6 C Carbon 12.011 |
7 N Nitrogen 14.007 |
8 O Oxygen 15.999 |
9 F Fluorine 18.998 |
10 Ne Neon 20.180 |
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| 11 Na Sodium 22.990 |
12 Mg Magnesium 24.305 |
13 Al Aluminum 26.982 |
14 Si Silicon 28.086 |
15 P Phosphorus 30.974 |
16 S Sulfur 32.066 |
17 Cl Chlorine 35.453 |
18 Ar Argon 39.948 |
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| 19 K Potassium 39.098 |
20 Ca Calcium 40.08 |
21 Sc Scandium 44.956 |
22 Ti Titanium 47.88 |
23 V Vanadium 50.942 |
24 Cr Chromium 51.996 |
25 Mn Manganese 54.938 |
26 Fe Iron 55.847 |
27 Co Cobalt 58.933 |
28 Ni Nickel 58.69 |
29 Cu Copper 63.546 |
30 Zn Zinc 65.39 |
31 Ga Gallium 69.723 |
32 Ge Germanium 72.61 |
33 As Arsenic 74.922 |
34 Se Selenium 78.96 |
35 Br Bromine 79.904 |
36 Kr Krypton 83.80 |
| 37 Rb Rubidium 85.47 |
38 Sr Strontium 87.62 |
39 Y Yttrium 88.906 |
40 Zr Zirconium 91.224 |
41 Nb Niobium 92.906 |
42 Mo Molybdenum 95.95 |
43 Tc Technetium (98) |
44 Ru Ruthenium 101.07 |
45 Rh Rhodium 102.91 |
46 Pd Palladium 106.42 |
47 Ag Silver 107.87 |
48 Cd Cadmium 112.41 |
49 In Indium 114.82 |
50 Sn Tin 118.17 |
51 Sb Antimony 121.75 |
52 Te Tellurium 127.60 |
53 I Iodine 126.90 |
54 Xe Xenon 131.29 |
| 55 Cs Cesium 132.90 |
56 Ba Barium 137.33 |
57 La Lanthanum 138.91 |
72 Hf Hafnium 178.49 |
73 Ta Tantalum 180.95 |
74 W Tungsten 183.85 |
75 Re Rhenium 186.21 |
76 Os Osmium 190.2 |
77 Ir Iridium 192.22 |
78 Pt Platium 195.08 |
79 Au Gold 196.97 |
80 Hg Mercury 200.59 |
81 Tl Thallium 204.38 |
82 Pb Lead 207.2 |
83 Bi Bismuth 208.98 |
84 Po Polonium (209) |
85 At Astatine (210) |
86 Rn Radon (222) |
| 87 Fr Francium (223) |
88 Ra Radium (226) |
89 Ac Actinium (227) |
104 Unq _____ (261) |
105 Unp _____ (262) |
106 Unh _____ (263) |
107 Uns _____ (262) |
108 Uno _____ (265) |
109 Une _____ (266) |
110 Uun _____ (267) |
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| 58 Ce Cerium 140.12 |
59 Pr Praseodymium 140.91 |
60 Nd Neodymium 144.24 |
61 Pm Promethium (145) |
62 Sm Samarium 150.36 |
63 Eu Europium 151.96 |
64 Gd Gadolinium 157.25 |
65 Tb Terbium 158.92 |
66 Dy Dysprosium 162.50 |
67 Ho Holmium 164.93 |
68 Er Erbium 167.26 |
69 Tm Thulium 168.93 |
70 Yb Ytterbium 173.04 |
71 Lu Lutetium 174.97 |
| 90 Th Thorium 232.04 |
91 Pa Protactinium 231 |
92 U Uranium 238.03 |
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 (260) |