| 符号 | 原子序数 | 原子量 | |
| 锕（actinium) | Ac | 89 | 227.02 |
| 铝（aluminium) | Al | 13 | 26.98 |
| 镅（americium) | Am | 95 | (243) |
| 锑（antimony) | Sb | 51 | 121.75 |
| 氩（argon) | Ar | 18 | 39.94 |
| 砷（arsenic) | As | 33 | 74.92 |
| 砹（astatine) | At | 85 | (210) |
| 钡（barium) | Ba | 56 | 137.33 |
| 锫（berkelium) | Bk | 97 | (247) |
| 铍（beryllium) | Be | 4 | 9.01 |
| 铋（bismuth) | Bi | 83 | 208.98 |
| 硼（boron) | B | 5 | 10.81 |
| 溴（bromine) | Br | 35 | 79.90 |
| 镉（cadmium) | Cd | 48 | 112.41 |
| 钙（calcium) | Ca | 20 | 40.08 |
| 锎（californium) | Cf | 98 | (251) |
| 碳（carbon) | C | 6 | 12.01 |
| 铈（cerium) | Ce | 58 | 140.12 |
| 铯（cesium) | Cs | 55 | 132.90 |
| 氯（chlorine) | Cl | 17 | 35.45 |
| 铬（chromium) | Cr | 24 | 51.99 |
| 钴（cobalt) | Co | 27 | 58.93 |
| 铜（copper) | Cu | 29 | 63.54 |
| 锔（curium) | Cm | 96 | (247) |
| 镝（dysprosium) | Dy | 66 | 162.50 |
| 锿（einsteinium) | Es | 99 | (252) |
| 铒（erbium) | Er | 68 | 167.26 |
| 铕（euroqium) | Eu | 63 | 151.96 |
| 镄（fermium) | Fm | 100 | (257) |
| 氟（fluorine) | F | 9 | 18.99 |
| 钫（francium) | Fr | 87 | (223) |
| 钆（gadolinium) | Gd | 64 | 157.52 |
| 镓（galium) | Ga | 31 | 69.72 |
| 锗（germanium) | Ge | 32 | 72.59 |
| 金（gold) | Au | 79 | 196.96 |
| 铪（hafnium) | Hf | 72 | 178.49 |
| 氦（helium) | He | 2 | 4.00 |
| 钬（holmium) | Ho | 67 | 164.93 |
| 氢（hydrogen) | H | 1 | 1.00 |
| 铟（indium) | In | 49 | 114.82 |
| 碘（iodine) | I | 53 | 126.90 |
| 铱（iridium) | Ir | 77 | 192.22 |
| 铁（iron) | Fe | 26 | 55.84 |
| 氪（krypton) | Kr | 36 | 83.80 |
| 镧（lanthanum) | La | 57 | 139.90 |
| 铹（Lawrencium) | Lr | 103 | (260) |
| 铅（lead) | Pb | 82 | 207.2 |
| 锂（lithium) | Li | 3 | 6.94 |
| 镥（lutetium) | Lu | 71 | 174.96 |
| 镁（Magnesium) | Mg | 12 | 24.30 |
| 锰（manganse) | Mn | 25 | 54.93 |
| 钔（mendelevium) | Md | 101 | (258) |
| 汞（molybdenum) | Hg | 80 | 200.59 |
| 钼（molybdenum) | Mo | 42 | 95.94 |
| 钕（neodymium) | Nd | 60 | 144.24 |
| 氖（neon) | Ne | 10 | 20.17 |
| 镎（neptunium) | Np | 93 | 237.04 |
| 镍（nickel) | Ni | 28 | 58.69 |
| 铌（niobium) | Nb | 41 | 92.00 |
| 氮（nitrogen) | N | 7 | 14.00 |
| 锘（nobelium) | No | 102 | (259) |
| 锇（osmium) | Os | 76 | 190.2 |
| 氧（oxygen) | O | 8 | 15.99 |
| 钯（palladium) | Pd | 46 | 106.42 |
| 磷（phosphorus) | P | 15 | 30.94 |
| 铂（platium) | Pt | 78 | 195.08 |
| 钚（piutonium) | Pu | 94 | (244) |
| 钋（polonium) | Po | 84 | (209) |
| 钾（potassium) | K | 19 | 39.09 |
| 镨（praseodymium) | Pr | 59 | 140.90 |
| 钜（promethium) | Pm | 61 | (145) |
| 镤（protactinium) | Pa | 91 | 231.03 |
| 镭（radium) | Ra | 88 | 226.02 |
| 氡（radon) | Rn | 86 | (222) |
| 铼（rhenium) | Re | 75 | 186.20 |
| 铑（rhodium) | Rh | 45 | 102.90 |
| 铷（rubidium) | Rb | 37 | 85.46 |
| 钌（ruthenium) | Ru | 44 | 101.07 |
| 钐（samarium) | Sm | 62 | 150.36 |
| 钪（scandium) | Sc | 21 | 44.95 |
| 硒（sillicon) | Se | 34 | 78.96 |
| 硅（sillicon) | Si | 14 | 28.08 |
| 银（sliver) | Ag | 47 | 107.86 |
| 钠（sodium) | Na | 11 | 22.98 |
| 锶（strontium) | Sr | 38 | 87.62 |
| 硫（sulfur) | S | 16 | 32.06 |
| 钽（tantalum) | Ta | 73 | 180.94 |
| 锝（technetium) | Tc | 43 | (98) |
| 碲（tellurium) | Te | 52 | 127.60 |
| 铽（terbium) | Tb | 65 | 158.92 |
| 铊（thallium) | Tl | 81 | 204.38 |
| 钍（thorium) | Th | 90 | 232.03 |
| 锡（tin) | Sn | 50 | 118.69 |
| 铥（thulium) | Tm | 69 | 168.93 |
| 钛（titanium) | Ti | 22 | 47.88 |
| 钨（tungsten) | W | 74 | 183.85 |
| unhilhexium | (Unh) | 106 | (263) |
| unnilpentium | (Unp) | 105 | (262) |
| unnilquadium | (Unq) | 104 | (261) |
| unnilseptium | (Uns) | 107 | (262) |
| 铀（uranium) | U | 92 | 238.02 |
| 钒（vanadium) | V | 23 | 50.94 |
| 氙（xenon) | Xe | 54 | 131.29 |
| 镒（ytterbium) | Yb | 70 | 173.04 |
| 钇（yttrium) | Y | 39 | 88.90 |
| 锌（zinc) | Zn | 30 | 65.38 |
| 锆（zirconium) | Zn | 40 | 91.22 |
圆括号中的数字是该元素最稳定的同位素的质量数。
