Periodic Table of the Elements
Symbol |
Element |
Atomic Number |
Atomic Weight |
| H | hydrogen | 1 | 1.0079 |
| He | helium | 2 | 4.0026 |
| Li | lithium | 3 | 6.941 |
| Be | beryllium | 4 | 9.0122 |
| B | boron | 5 | 10.811 |
| C | carbon | 6 | 12.011 |
| N | nitrogen | 7 | 14.007 |
| O | oxygen | 8 | 15.999 |
| F | fluorine | 9 | 18.998 |
| Ne | neon | 10 | 20.18 |
| Na | sodium | 11 | 22.99 |
| Mg | magnesium | 12 | 24.305 |
| Al | aluminium | 13 | 26.982 |
| Si | silicon | 14 | 28.086 |
| P | phosphorus | 15 | 30.974 |
| S | sulfur | 16 | 32.065 |
| Cl | chlorine | 17 | 35.453 |
| Ar | argon | 18 | 39.948 |
| K | potassium | 19 | 39.098 |
| Ca | calcium | 20 | 40.078 |
| Sc | scandium | 21 | 44.956 |
| Ti | titanium | 22 | 47.867 |
| V | vanadium | 23 | 50.942 |
| Cr | chromium | 24 | 51.996 |
| Mn | manganese | 25 | 54.938 |
| Fe | iron | 26 | 55.845 |
| Co | cobalt | 27 | 58.933 |
| Ni | nickel | 28 | 58.693 |
| Cu | copper | 29 | 63.546 |
| Zn | zinc | 30 | 65.38 |
| Ga | gallium | 31 | 69.723 |
| Ge | germanium | 32 | 72.64 |
| As | arsenic | 33 | 74.922 |
| Se | selenium | 34 | 78.96 |
| Br | bromine | 35 | 79.904 |
| Kr | krypton | 36 | 83.798 |
| Rb | rubidium | 37 | 85.468 |
| Sr | strontium | 38 | 87.62 |
| Y | yttrium | 39 | 88.906 |
| Zr | zirconium | 40 | 91.224 |
| Nb | niobium | 41 | 92.906 |
| Mo | molybdenum | 42 | 95.96 |
| Tc | technetium | 43 | 98.9062 |
| Ru | ruthenium | 44 | 101.07 |
| Rh | rhodium | 45 | 102.91 |
| Pd | palladium | 46 | 106.42 |
| Ag | silver | 47 | 107.87 |
| Cd | cadmium | 48 | 112.41 |
| In | indium | 49 | 114.82 |
| Sn | tin | 50 | 118.71 |
| Sb | antimony | 51 | 121.76 |
| Te | tellurium | 52 | 127.6 |
| I | iodine | 53 | 126.9 |
| Xe | xenon | 54 | 131.29 |
| Cs | caesium | 55 | 132.91 |
| Ba | barium | 56 | 137.33 |
| La | lanthanum | 57 | 138.91 |
| Ce | cerium | 58 | 140.12 |
| Pr | praseodymium | 59 | 140.91 |
| Nd | neodymium | 60 | 144.24 |
| Pm | promethium | 61 | 145 |
| Sm | samarium | 62 | 150.36 |
| Eu | europium | 63 | 151.96 |
| Gd | gadolinium | 64 | 157.25 |
| Tb | terbium | 65 | 158.93 |
| Dy | dysprosium | 66 | 162.5 |
| Ho | holmium | 67 | 164.93 |
| Er | erbium | 68 | 167.26 |
| Tm | thulium | 69 | 168.93 |
| Yb | ytterbium | 70 | 173.05 |
| Lu | lutetium | 71 | 174.97 |
| Hf | hafnium | 72 | 178.49 |
| Ta | tantalum | 73 | 180.95 |
| W | tungsten | 74 | 183.84 |
| Re | rhenium | 75 | 186.21 |
| Os | osmium | 76 | 190.23 |
| Ir | iridium | 77 | 192.22 |
| Pt | platinum | 78 | 195.08 |
| Au | gold | 79 | 196.97 |
| Hg | mercury | 80 | 200.59 |
| Tl | thallium | 81 | 204.38 |
| Pb | lead | 82 | 207.2 |
| Bi | bismuth | 83 | 208.98 |
| Po | polonium | 84 | 209 |
| At | astatine | 85 | 210 |
| Rn | radon | 86 | 222 |
| Fr | francium | 87 | 223 |
| Ra | radium | 88 | 226.0254 |
| Ac | actinium | 89 | 227 |
| Th | thorium | 90 | 232.04 |
| Pa | protactinium | 91 | 231.04 |
| U | uranium | 92 | 238.03 |
| Np | neptunium | 93 | 237.0482 |
| Pu | plutonium | 94 | 244 |
| Am | americium | 95 | 243 |
| Cm | curium | 96 | 247 |
| Bk | berkelium | 97 | 247 |
| Cf | californium | 98 | 251 |
| Es | einsteinium | 99 | 252 |
| Fm | fermium | 100 | 257 |
| Md | mendelevium | 101 | 258 |
| No | nobelium | 102 | 259 |
| Lr | lawrencium | 103 | 262 |
| Rf | rutherfordium | 104 | 267 |
| Db | dubnium | 105 | 268 |
| Sg | seaborgium | 106 | 271 |
| Bh | bohrium | 107 | 272 |
| Hs | hassium | 108 | 270 |
| Mt | meitnerium | 109 | 276 |
| Ds | darmstadtium | 110 | 281 |
| Rg | roentgenium | 111 | 280 |
