(I've left out data that I wasn't too sure about..)
- Rows: Periods
- Columns: groups
- IUPAC: International Union of Pure and Applied Chemistry
- Atomic number at lower left
- Atomic mass at upper left
┌─────┐ ┌─────┐
│1 ╋│ ▀ : noble gas │1 ▀│
│ H │ ╋ : reactive non─metals │ He │
│1 │ ┓ : transition metals │2 │
├─────┼─────┐ ● : post─transition metals ┌─────┬─────┬─────┬─────┬─────┼─────┤
│7 ▲│9 ▣│ ▲ : alkali metals │11 ▶│12 ╋│14 ╋│16 ╋│19 ╋│20 ▀│
│ Li │ Be │ ▶ : metalloids │ B │ C │ N │ O │ F │ Ne │
│3 │4 │ ▣ : alkaline earth metals │5 │6 │7 │8 │9 │10 │
├─────┼─────┤ ¶ : lanthanides ├─────┼─────┼─────┼─────┼─────┼─────┤
│23 ▲│24 ▣│ Φ : actinides │27 ●│28 ▶│31 ╋│32 ╋│35 ╋│40 ▀│
│ Na │ Mg │ ? : unknown properties │ Al │ Si │ P │ S │ Cl │ Ar │
│11 │12 │ │13 │14 │15 │16 │17 │18 │
├─────┼─────┼─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┼─────┼─────┼─────┼─────┼─────┼─────┤
│39 ▲│40 ▣│45 ┓│48 ┓│51 ┓│52 ┓│55 ┓│56 ┓│59 ┓│59 ┓│64 ┓│65 ┓│70 ●│73 ▶│75 ▶│79 ╋│80 ╋│84 ▀│
│ K │ Ca │ Sc │ Ti │ V │ Cr │ Mn │ Fe │ Co │ Ni │ Cu │ Zn │ Ga │ Ge │ As │ Se │ Br │ Kr │
│19 │20 │21 │22 │23 │24 │25 │26 │27 │28 │29 │30 │31 │32 │33 │34 │35 │36 │
├─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
│85 ▲│88 ▣│89 ┓│91 ┓│93 ┓│96 ┓│ ┓│101 ┓│103 ┓│106 ┓│108 ┓│112 ┓│115 ●│119 ●│122 ▶│128 ▶│127 ╋│131 ▀│
│ Rb │ Sr │ Y │ Zr │ Nb │ Mo │ Tc │ Ru │ Rh │ Pd │ Ag │ Cd │ In │ Sn │ Sb │ Te │ I │ Xe │
│37 │38 │39 │40 │41 │42 │43 │44 │45 │46 │47 │48 │49 │50 │51 │52 │53 │54 │
├─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
│133 ▲│137 ▣│ │178 ┓│181 ┓│184 ┓│186 ┓│190 ┓│192 ┓│195 ┓│197 ┓│201 ┓│204 ●│207 ●│209 ●│ ●│ ●│ ▀│
│ Cs │ Ba │ ┆ │ Hf │ Ta │ W │ Re │ Os │ Ir │ Pt │ Au │ Hg │ Tl │ Pb │ Bi │ Po │ At │ Rn │
│55 │56 │ ┆ │72 │73 │74 │75 │76 │77 │78 │79 │80 │81 │82 │83 │84 │85 │86 │
├─────┼─────┼──┆──┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
│ ▲│ ▣│ ┆ │ ┓│ ┓│ ┓│ ┓│ ┓│ ?│ ?│ ?│ ?│ ?│ ?│ ?│ ?│ ?│ ?│
│ Fr │ Ra │ ┆ │ Rf │ Db │ Sg │ Bh │ Hs │ Mt │ Ds │ Rg │ Cn │ Nh │ Fl │ Mc │ Lv │ Ts │ Og │
│87 │88 │┆ ┆ │104 │105 │106 │107 │108 │109 │110 │111 │112 │113 │114 │115 │116 │117 │118 │
└─────┴─────┴┆─┆──┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘
┆ ┆
┆ ┆ ┌─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┐
┆ ┆ │139 ¶│140 ¶│141 ¶│144 ¶│ ¶│150 ¶│152 ¶│157 ¶│159 ¶│163 ¶│165 ¶│167 ¶│169 ¶│173 ¶│175 ¶│
┆ +┄┄│ La │ Ce │ Pr │ Nd │ Pm │ Sm │ Eu │ Gd │ Tb │ Dy │ Ho │ Er │ Tm │ Yb │ Lu │
┆ │57 │58 │59 │60 │61 │62 │63 │64 │65 │66 │67 │68 │69 │70 │71 │
┆ ├─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
┆ │ Φ│232 Φ│231 Φ│238 Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│ Φ│
┆ │ Ac │ Th │ Pa │ U │ Np │ Pu │ Am │ Cm │ Bk │ Cf │ Es │ Fm │ Md │ No │ Lr │
+┄┄┄┄│89 │90 │91 │92 │93 │94 │95 │96 │97 │98 │99 │100 │101 │102 │103 │
└─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘
Abridged atomic weight
| No. | Symbol | Name | Atomic weight |
|---|---|---|---|
| 1 | H | Hydrogen | 1.0080 ± 0.0002 |
| 2 | He | Helium | 4.0026 ± 0.0001 |
| 3 | Li | Lithium | 6.94 ± 0.06 |
| 4 | Be | Beryllium | 9.0122 ± 0.0001 |
| 5 | B | Boron | 10.81 ± 0.02 |
| 6 | C | Carbon | 12.011 ± 0.002 |
| 7 | N | Nitrogen | 14.007 ± 0.001 |
| 8 | O | Oxygen | 15.999 ± 0.001 |
| 9 | F | Fluorine | 18.998 ± 0.001 |
| 10 | Ne | Neon | 20.180 ± 0.001 |
| 11 | Na | Sodium | 22.990 ± 0.001 |
| 12 | Mg | Magnesium | 24.305 ± 0.002 |
| 13 | Al | Aluminium | 26.982 ± 0.001 |
| 14 | Si | Silicon | 28.085 ± 0.001 |
| 15 | P | Phosphorus | 30.974 ± 0.001 |
| 16 | S | Sulfur | 32.06 ± 0.02 |
| 17 | Cl | Chlorine | 35.45 ± 0.01 |
| 18 | Ar | Argon | 39.95 ± 0.16 |
| 19 | K | Potassium | 39.098 ± 0.001 |
| 20 | Ca | Calcium | 40.078 ± 0.004 |
| 21 | Sc | Scandium | 44.956 ± 0.001 |
| 22 | Ti | Titanium | 47.867 ± 0.001 |
| 23 | V | Vanadium | 50.942 ± 0.001 |
| 24 | Cr | Chromium | 51.996 ± 0.001 |
| 25 | Mn | Manganese | 54.938 ± 0.001 |
| 26 | Fe | Iron | 55.845 ± 0.002 |
| 27 | Co | Cobalt | 58.933 ± 0.001 |
| 28 | Ni | Nickel | 58.693 ± 0.001 |
| 29 | Cu | Copper | 63.546 ± 0.003 |
| 30 | Zn | Zinc | 65.38 ± 0.02 |
| 31 | Ga | Gallium | 69.723 ± 0.001 |
| 32 | Ge | Germanium | 72.630 ± 0.008 |
| 33 | As | Arsenic | 74.922 ± 0.001 |
| 34 | Se | Selenium | 78.971 ± 0.008 |
| 35 | Br | Bromine | 79.904 ± 0.003 |
| 36 | Kr | Krypton | 83.798 ± 0.002 |
| 37 | Rb | Rubidium | 85.468 ± 0.001 |
| 38 | Sr | Strontium | 87.62 ± 0.01 |
| 39 | Y | Yttrium | 88.906 ± 0.001 |
| 40 | Zr | Zirconium | 91.224 ± 0.002 |
| 41 | Nb | Niobium | 92.906 ± 0.001 |
| 42 | Mo | Molybdenum | 95.95 ± 0.01 |
| 43 | Tc | Technetium* | |
| 44 | Ru | Ruthenium | 101.07 ± 0.02 |
| 45 | Rh | Rhodium | 102.91 ± 0.01 |
| 46 | Pd | Palladium | 106.42 ± 0.01 |
| 47 | Ag | Silver | 107.87 ± 0.01 |
| 48 | Cd | Cadmium | 112.41 ± 0.01 |
| 49 | In | Indium | 114.82 ± 0.01 |
| 50 | Sn | Tin | 118.71 ± 0.01 |
| 51 | Sb | Antimony | 121.76 ± 0.01 |
| 52 | Te | Tellurium | 127.60 ± 0.03 |
| 53 | I | Iodine | 126.90 ± 0.01 |
| 54 | Xe | Xenon | 131.29 ± 0.01 |
| 55 | Cs | Caesium | 132.91 ± 0.01 |
| 56 | Ba | Barium | 137.33 ± 0.01 |
| 57 | La | Lanthanum | 138.91 ± 0.01 |
| 58 | Ce | Cerium | 140.12 ± 0.01 |
| 59 | Pr | Praseodymium | 140.91 ± 0.01 |
| 60 | Nd | Neodymium | 144.24 ± 0.01 |
| 61 | Pm | Promethium* | |
| 62 | Sm | Samarium | 150.36 ± 0.02 |
| 63 | Eu | Europium | 151.96 ± 0.01 |
| 64 | Gd | Gadolinium | 157.25 ± 0.03 |
| 65 | Tb | Terbium | 158.93 ± 0.01 |
| 66 | Dy | Dysprosium | 162.50 ± 0.01 |
| 67 | Ho | Holmium | 164.93 ± 0.01 |
| 68 | Er | Erbium | 167.26 ± 0.01 |
| 69 | Tm | Thulium | 168.93 ± 0.01 |
| 70 | Yb | Ytterbium | 173.05 ± 0.02 |
| 71 | Lu | Lutetium | 174.97 ± 0.01 |
| 72 | Hf | Hafnium | 178.49 ± 0.01 |
| 73 | Ta | Tantalum | 180.95 ± 0.01 |
| 74 | W | Tungsten | 183.84 ± 0.01 |
| 75 | Re | Rhenium | 186.21 ± 0.01 |
| 76 | Os | Osmium | 190.23 ± 0.03 |
| 77 | Ir | Iridium | 192.22 ± 0.01 |
| 78 | Pt | Platinum | 195.08 ± 0.02 |
| 79 | Au | Gold | 196.97 ± 0.01 |
| 80 | Hg | Mercury | 200.59 ± 0.01 |
| 81 | Tl | Thallium | 204.38 ± 0.01 |
| 82 | Pb | Lead | 207.2 ± 1.1 |
| 83 | Bi | Bismuth* | 208.98 ± 0.01 |
| 84 | Po | Polonium* | |
| 85 | At | Astatine* | |
| 86 | Rn | Radon* | |
| 87 | Fr | Francium* | |
| 88 | Ra | Radium* | |
| 89 | Ac | Actinium* | |
| 90 | Th | Thorium* | 232.04 ± 0.01 |
| 91 | Pa | Protactinium* | 231.04 ± 0.01 |
| 92 | U | Uranium* | 238.03 ± 0.01 |
| 93 | Np | Neptunium* | |
| 94 | Pu | Plutonium* | |
| 95 | Am | Americium* | |
| 96 | Cm | Curium* | |
| 97 | Bk | Berkelium* | |
| 98 | Cf | Californium* | |
| 99 | Es | Einsteinium* | |
| 100 | Fm | Fermium* | |
| 101 | Md | Mendelevium* | |
| 102 | No | Nobelium* | |
| 103 | Lr | Lawrencium* | |
| 104 | Rf | Rutherfordium* | |
| 105 | Db | Dubnium* | |
| 106 | Sg | Seaborgium* | |
| 107 | Bh | Bohrium* | |
| 108 | Hs | Hassium* | |
| 109 | Mt | Meitnerium* | |
| 110 | Ds | Darmstadtium* | |
| 111 | Rg | Roentgenium* | |
| 112 | Cn | Copernicium* | |
| 113 | Nh | Nihonium* | |
| 114 | Fl | Flerovium* | |
| 115 | Mc | Moscovium* | |
| 116 | Lv | Livermorium* | |
| 117 | Ts | Tennessine* | |
| 118 | Og | Oganesson* |