2 element,symbol,atomic# Hydrogen,H,1 Helium,He,2 Lithium,Li,3 Beryllium,Be,4 Boron,B,5 Carbon,C,6 Nitrogen,N,7 Oxygen,O,8 Fluorine,F,9 Neon,Ne,10 Sodium,Na,11 Magnesium,Mg,12 Aluminum,Al,13 Silicon,Si,14 Phosphorus,P,15 Sulfur,S,16 Chlorine,Cl,17 Argon,Ar,18 Potassium,K,19 Calcium,Ca,20 Scandium,Sc,21 Titanium,Ti,22 Vanadium,V,23 Chromium,Cr,24 Manganese,Mn,25 Iron,Fe,26 Cobalt,Co,27 Nickel,Ni,28 Copper,Cu,29 Zinc,Zn,30 Gallium,Ga,31 Germanium,Ge,32 Arsenic,As,33 Selenium,Se,34 Bromine,Br,35 Krypton,Kr,36 Rubidium,Rb,37 Strontium,Sr,38 Yttrium,Y,39 Zirconium,Zr,40 Niobium,Nb,41 Molybdenum,Mo,42 Technetium,Tc,43 Ruthenium,Ru,44 Rhodium,Rh,45 Palladium,Pd,46 Silver,Ag,47 Cadmium,Cd,48 Indium,In,49 Tin,Sn,50 Antimony,Sb,51 Tellurium,Te,52 Iodine,I,53 Xenon,Xe,54 Cesium,Cs,55 Barium,Ba,56 Lanthanum,La,57 Cerium,Ce,58 Praseodymium,Pr,59 Neodymium,Nd,60 Promethium,Pm,61 Samarium,Sm,62 Europium,Eu,63 Gadolinium,Gd,64 Terbium,Tb,65 Dysprosium,Dy,66 Holmium,Ho,67 Erbium,Er,68 Thulium,Tm,69 Ytterbium,Yb,70 Lutetium,Lu,71 Hafnium,Hf,72 Tantalum,Ta,73 Tungsten,W,74 Rhenium,Re,75 Osmium,Os,76 Iridium,Ir,77 Platinum,Pt,78 Gold,Au,79 Mercury,Hg,80 Thallium,Tl,81 Lead,Pb,82 Bismuth,Bi,83 Polonium,Po,84 Astatine,At,85 Radon,Rn,86 Francium,Fr,87 Radium,Ra,88 Actinium,Ac,89 Thorium,Th,90 Protactinium,Pa,91 Uranium,U,92 Neptunium,Np,93 Plutonium,Pu,94 Americium,Am,95 Curium,Cm,96 Berkelium,Bk,97 Californium,Cf,98 Einsteinium,Es,99 Fermium,Fm,100 Mendelevium,Md,101 Nobelium,No,102 Lawrencium,Lr,103 Rutherfordium,Rf,104 Dubnium,Db,105 Seaborgium,Sg,106 Bohrium,Bh,107 Hassium,Hs,108 Meitnerium,Mt,109 Darmstadtium,Ds,110 Roentgenium,Rg,111 Copernicium,Cn,112 Nihonium,Nh,113 Flerovium,Fl,114 Moscovium,Mc,115 Livermorium,Lv,116 Tennessine,Ts,117 Oganesson,Og,118