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- 1 1 1 H Hydrogen 3
- 2 18 1 He Helium 3
- 3 1 2 Li Lithium 1
- 4 2 2 Be Beryllium 1
- 5 13 2 B Boron 1
- 6 14 2 C Carbon 1
- 7 15 2 N Nitrogen 3
- 8 16 2 O Oxygen 3
- 9 17 2 F Fluorine 3
- 10 18 2 Ne Neon 3
- 11 1 3 Na Sodium 1
- 12 2 3 Mg Magnesium 1
- 13 13 3 Al Aluminum 1
- 14 14 3 Si Silicon 1
- 15 15 3 P Phosphorus 1
- 16 16 3 S Sulfur 1
- 17 17 3 Cl Chlorine 3
- 18 18 3 Ar Argon 3
- 19 1 4 K Potassium 1
- 20 2 4 Ca Calcium 1
- 21 3 4 Sc Scandium 1
- 22 4 4 Ti Titanium 1
- 23 5 4 V Vanadium 1
- 24 6 4 Cr Chromium 1
- 25 7 4 Mn Manganese 1
- 26 8 4 Fe Iron 1
- 27 9 4 Co Cobalt 1
- 28 10 4 Ni Nickel 1
- 29 11 4 Cu Copper 1
- 30 12 4 Zn Zinc 1
- 31 13 4 Ga Gallium 2
- 32 14 4 Ge Germanium 1
- 33 15 4 As Arsenic 1
- 34 16 4 Se Selenium 1
- 35 17 4 Br Bromine 2
- 36 18 4 Kr Krypton 3
- 37 1 5 Rb Rubidium 1
- 38 2 5 Sr Strontium 1
- 39 3 5 Y Yttrium 1
- 40 4 5 Zr Zirconium 1
- 41 5 5 Nb Niobium 1
- 42 6 5 Mo Molybdenum 1
- 43 7 5 Tc Technetium 4
- 44 8 5 Ru Ruthenium 1
- 45 9 5 Rh Rhodium 1
- 46 10 5 Pd Palladium 1
- 47 11 5 Ag Silver 1
- 48 12 5 Cd Cadmium 1
- 49 13 5 In Indium 1
- 50 14 5 Sn Tin 1
- 51 15 5 Sb Antimony 1
- 52 16 5 Te Tellurium 1
- 53 17 5 I Iodine 1
- 54 18 5 Xe Xenon 3
- 55 1 6 Cs Cesium 2
- 56 2 6 Ba Barium 1
- 57 3 6 La Lanthanum 1
- 72 4 6 Hf Hafnium 1
- 73 5 6 Ta Tantalum 1
- 74 6 6 W Tungsten 1
- 75 7 6 Re Rhenium 1
- 76 8 6 Os Osmium 1
- 77 9 6 Ir Iridium 1
- 78 10 6 Pt Platinum 1
- 79 11 6 Au Gold 1
- 80 12 6 Hg Mercury 2
- 81 13 6 Tl Thallium 1
- 82 14 6 Pb Lead 1
- 83 15 6 Bi Bismuth 1
- 84 16 6 Po Polonium 1
- 85 17 6 At Astatine 1
- 86 18 6 Rn Radon 3
- 87 1 7 Fr Francium 2
- 88 2 7 Ra Radium 1
- 89 3 7 Ac Actinium 1
- 104 4 7 Unq Unnilquadium 4
- 105 5 7 Unp Unnilpentium 4
- 106 6 7 Unh Unnilhexium 4
- 58 4 8 Ce Cerium 1
- 59 5 8 Pr Praseodymium 1
- 60 6 8 Nd Neodymium 1
- 61 7 8 Pm Promethium 4
- 62 8 8 Sm Samarium 1
- 63 9 8 Eu Europium 1
- 64 10 8 Gd Gadolinium 1
- 65 11 8 Tb Terbium 1
- 66 12 8 Dy Dysprosium 1
- 67 13 8 Ho Holmium 1
- 68 14 8 Er Erbium 1
- 69 15 8 Tm Thulium 1
- 70 16 8 Yb Ytterbium 1
- 71 17 8 Lu Lutetium 1
- 90 4 9 Th Thorium 1
- 91 5 9 Pa Protactinium 1
- 92 6 9 U Uranium 1
- 93 7 9 Np Neptunium 4
- 94 8 9 Pu Plutonium 4
- 95 9 9 Am Americium 4
- 96 10 9 Cm Curium 4
- 97 11 9 Bk Berkelium 4
- 98 12 9 Cf Californium 4
- 99 13 9 Es Einsteinium 4
- 100 14 9 Fm Fermium 4
- 101 15 9 Md Mendelevium 4
- 102 16 9 No Nobelium 4
- 103 17 9 Lr Lawrencium 4
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