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Click on an element for details of all the standards in which it occurs in both the SPI and Taylor collections.
| Symbol | Name | Z | W | Symbol | Name | Z | W | |
|---|---|---|---|---|---|---|---|---|
| Ac | Actinium | 89 | 227.028 | Md | Mendelevium | 101 | 256.000 | |
| Al | Aluminum | 13 | 26.982 | Hg | Mercury | 80 | 200.590 | |
| Am | Americium | 95 | 243.000 | Mo | Molybdenum | 42 | 95.940 | |
| Sb | Antimony | 51 | 121.750 | Nd | Neodymium | 60 | 144.240 | |
| Ar | Argon | 18 | 39.948 | Ne | Neon | 10 | 20.179 | |
| As | Arsenic | 33 | 74.922 | Np | Neptunium | 93 | 237.000 | |
| At | Astatine | 85 | 210.000 | Ni | Nickel | 28 | 58.690 | |
| Ba | Barium | 56 | 137.330 | Nb | Niobium | 41 | 92.906 | |
| Bk | Berkelium | 97 | 247.000 | N | Nitrogen | 7 | 14.007 | |
| Be | Beryllium | 4 | 9.012 | No | Nobelium | 102 | 254.000 | |
| Bi | Bismuth | 83 | 208.980 | Os | Osmium | 76 | 190.200 | |
| Bh | Bohrium | 107 | 262.000 | O | Oxygen | 8 | 15.999 | |
| B | Boron | 5 | 10.810 | Pd | Palladium | 46 | 106.420 | |
| Br | Bromine | 35 | 79.904 | P | Phosphorus | 15 | 30.974 | |
| Cd | Cadmium | 48 | 112.410 | Pt | Platinum | 78 | 195.080 | |
| Ca | Calcium | 20 | 40.080 | Pu | Plutonium | 94 | 242.000 | |
| Cf | Californium | 98 | 249.000 | Po | Polonium | 84 | 209.000 | |
| C | Carbon | 6 | 12.011 | K | Potassium | 19 | 39.098 | |
| Ce | Cerium | 58 | 140.120 | Pr | Praseodymium | 59 | 140.908 | |
| Cs | Cesium | 55 | 132.905 | Pm | Promethium | 61 | 145.000 | |
| Cl | Chlorine | 17 | 35.453 | Pa | Protoactinium | 91 | 231.036 | |
| Cr | Chromium | 24 | 51.996 | Ra | Radium | 88 | 226.025 | |
| Co | Cobalt | 27 | 58.933 | Rn | Radon | 86 | 222.000 | |
| Cu | Copper | 29 | 63.546 | Re | Rhenium | 75 | 186.207 | |
| Cm | Curium | 96 | 247.000 | Rh | Rhodium | 45 | 102.906 | |
| Db | Dubnium | 105 | 260.000 | Rb | Rubidium | 37 | 85.468 | |
| Dy | Dysprosium | 66 | 162.500 | Ru | Ruthenium | 44 | 101.070 | |
| Es | Einsteinium | 99 | 254.000 | Rf | Rutherfordium | 104 | 257.000 | |
| Er | Erbium | 68 | 167.260 | Sm | Samarium | 62 | 150.360 | |
| Eu | Europium | 63 | 151.960 | Sc | Scandium | 21 | 44.956 | |
| Fm | Fermium | 100 | 253.000 | Sg | Seaborgium | 106 | 263.000 | |
| F | Fluorine | 9 | 18.998 | Se | Selenium | 34 | 78.960 | |
| Fr | Francium | 87 | 223.000 | Si | Silicon | 14 | 28.086 | |
| Gd | Gadolinium | 64 | 157.250 | Ag | Silver | 47 | 107.868 | |
| Ga | Gallium | 31 | 69.720 | Na | Sodium | 11 | 22.990 | |
| Ge | Germanium | 32 | 72.590 | Sr | Strontium | 38 | 87.620 | |
| Au | Gold | 79 | 196.967 | S | Sulfur | 16 | 32.060 | |
| Hf | Hafnium | 72 | 178.490 | Ta | Tantalum | 73 | 180.948 | |
| Hs | Hassium | 108 | 265.000 | Tc | Technetium | 43 | 98.000 | |
| He | Helium | 2 | 4.003 | Te | Tellurium | 52 | 127.600 | |
| Ho | Holmium | 67 | 164.930 | Tb | Terbium | 65 | 159.925 | |
| H | Hydrogen | 1 | 1.008 | Tl | Thallium | 81 | 204.383 | |
| In | Indium | 49 | 114.820 | Th | Thorium | 90 | 232.038 | |
| I | Iodine | 53 | 126.905 | Tm | Thulium | 69 | 168.934 | |
| Ir | Iridium | 77 | 192.220 | Sn | Tin | 50 | 118.690 | |
| Fe | Iron | 26 | 55.847 | Ti | Titanium | 22 | 47.880 | |
| Kr | Krypton | 36 | 83.800 | W | Tungsten | 74 | 183.850 | |
| La | Lanthanum | 57 | 138.906 | U | Uranium | 92 | 238.029 | |
| Lr | Lawrencium | 103 | 257.000 | V | Vanadium | 23 | 50.942 | |
| Pb | Lead | 82 | 207.200 | Xe | Xenon | 54 | 131.290 | |
| Li | Lithium | 3 | 6.941 | Yb | Ytterbium | 70 | 173.040 | |
| Lu | Lutetium | 71 | 174.967 | Y | Yttrium | 39 | 88.906 | |
| Mg | Magnesium | 12 | 24.305 | Zn | Zinc | 30 | 65.380 | |
| Mn | Manganese | 25 | 54.938 | Zr | Zirconium | 40 | 91.220 | |
| Mt | Meitnerium | 109 | 266.000 |
