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AtomicNumber | Element | Symbol | AtomicMass | NumberOfNeutrons | NumberOfProtons | NumberOfElectrons | Period | Group | Phase | Radioactive | Natural | Metal | Nonmetal | Metalloid | Type | AtomicRadius | Electronegativity | ionizationEnergy | Density | MeltingPoint | BoilingPoint | stableIsotopes | Discoverer | Year | SpecificHeat | NumberOfShells | NumberOfValence | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Hydrogen | H | 1.008 | 0 | 1 | 1 | 1 | 1 | Gas | yes | yes | Non-Metal | 120 | 2.20 | 13.5984 | 0.000090 | 13.81 | 20.28 | 2 | Henry Cavendish | 1766 | 14.304 | 1 | 1 | ||||
2 | Helium | He | 4.003 | 2 | 2 | 2 | 1 | 18 | Gas | yes | yes | Noble Gas | 140 | 24.5874 | 0.000179 | 0.95 | 4.22 | 2 | Pierre Janssen - Norman Lockyer and Edward Frankland | 1868 | 5.193 | 1 | 2 | |||||
3 | Lithium | Li | 7.000 | 4 | 3 | 3 | 2 | 1 | Solid | yes | yes | Alkali Metal | 182 | 0.98 | 5.3917 | 0.534000 | 453.65 | 1615.00 | 2 | Johan August Arfvedson - isolated Robert Bunsen and Augustus Mathhiesen | 1817 | 3.582 | 2 | 1 | ||||
4 | Beryllium | Be | 9.012 | 5 | 4 | 4 | 2 | 2 | Solid | yes | yes | Alkaline Earth Metal | 153 | 1.57 | 9.3227 | 1.850000 | 1560.00 | 2744.00 | 1 | Nicholas Louis Vauquelin - isolated Friedrich Wöhler and Antoine A. Bussy [independently] | 1797 | 1.825 | 2 | 2 | ||||
5 | Boron | B | 10.810 | 6 | 5 | 5 | 2 | 13 | Solid | yes | yes | Metalloid | 192 | 2.04 | 8.2980 | 2.370000 | 2348.00 | 4273.00 | 2 | Joseph Louis Gay-Lussac with Louis Jacques Thénard and Sir Humphrey Davy [independently] | 1808 | 1.026 | 2 | 3 | ||||
6 | Carbon | C | 12.011 | 6 | 6 | 6 | 2 | 14 | Solid | yes | yes | Non-Metal | 170 | 2.55 | 11.2603 | 2.267000 | 3823.00 | 4098.00 | 2 | Prehistoric | 0.709 | 2 | 4 | |||||
7 | Nitrogen | N | 14.007 | 7 | 7 | 7 | 2 | 15 | Gas | yes | yes | Non-Metal | 155 | 3.04 | 14.5341 | 0.001251 | 63.15 | 77.36 | 2 | Daniel Rutherford | 1772 | 1.040 | 2 | 5 | ||||
8 | Oxygen | O | 15.999 | 8 | 8 | 8 | 2 | 16 | Gas | yes | yes | Non-Metal | 152 | 3.44 | 13.6181 | 0.001429 | 54.36 | 90.20 | 3 | Joseph Priestly and Carl Wilhelm Scheele [independently] | 1774 | 0.918 | 2 | 6 | ||||
9 | Fluorine | F | 18.998 | 10 | 9 | 9 | 2 | 17 | Gas | yes | yes | Halogen | 135 | 3.98 | 17.4228 | 0.001696 | 53.53 | 85.03 | 1 | Henri Moissan | 1886 | 0.824 | 2 | 7 | ||||
10 | Neon | Ne | 20.180 | 10 | 10 | 10 | 2 | 18 | Gas | yes | yes | Noble Gas | 154 | 21.5645 | 0.000900 | 24.56 | 27.07 | 3 | Sir William Ramsay and Morris Travers | 1898 | 1.030 | 2 | 8 | |||||
11 | Sodium | Na | 22.990 | 12 | 11 | 11 | 3 | 1 | Solid | yes | yes | Alkali Metal | 227 | 0.93 | 5.1391 | 0.970000 | 370.95 | 1156.00 | 1 | Sir Humphrey Davy | 1807 | 1.228 | 3 | 1 | ||||
12 | Magnesium | Mg | 24.305 | 12 | 12 | 12 | 3 | 2 | Solid | yes | yes | Alkaline Earth Metal | 173 | 1.31 | 7.6462 | 1.740000 | 923.00 | 1363.00 | 3 | Joseph Black - isolated Sir Humphrey Davy | 1755 | 1.023 | 3 | 2 | ||||
13 | Aluminum | Al | 26.982 | 14 | 13 | 13 | 3 | 13 | Solid | yes | yes | Post-Transition Metal | 184 | 1.61 | 5.9858 | 2.700000 | 933.44 | 2792.00 | 1 | Hans Christian Ørsted and Friedrich Wöhler | 1825 | 0.897 | 3 | 3 | ||||
14 | Silicon | Si | 28.085 | 14 | 14 | 14 | 3 | 14 | Solid | yes | yes | Metalloid | 210 | 1.90 | 8.1517 | 2.329600 | 1687.00 | 3538.00 | 3 | Jöns Jakob Berzelius | 1824 | 0.705 | 3 | 4 | ||||
15 | Phosphorus | P | 30.974 | 16 | 15 | 15 | 3 | 15 | Solid | yes | yes | Non-Metal | 180 | 2.19 | 10.4867 | 1.820000 | 317.30 | 553.65 | 1 | Hennig Brandt | 1669 | 0.769 | 3 | 5 | ||||
16 | Sulfur | S | 32.070 | 16 | 16 | 16 | 3 | 16 | Solid | yes | yes | Non-Metal | 180 | 2.58 | 10.3600 | 2.067000 | 388.36 | 717.75 | 4 | Prehistoric | 0.710 | 3 | 6 | |||||
17 | Chlorine | Cl | 35.450 | 18 | 17 | 17 | 3 | 17 | Gas | yes | yes | Halogen | 175 | 3.16 | 12.9676 | 0.003214 | 171.65 | 239.11 | 2 | Carl Wilhelm Scheele | 1774 | 0.479 | 3 | 7 | ||||
18 | Argon | Ar | 39.900 | 22 | 18 | 18 | 3 | 18 | Gas | yes | yes | Noble Gas | 188 | 15.7596 | 0.001784 | 83.80 | 87.30 | 3 | John William Strutt [3rd Baron Rayleigh] and Sir William Ramsay | 1894 | 0.520 | 3 | 8 | |||||
19 | Potassium | K | 39.098 | 20 | 19 | 19 | 4 | 1 | Solid | yes | yes | Alkali Metal | 275 | 0.82 | 4.3407 | 0.890000 | 336.53 | 1032.00 | 2 | Sir Humphrey Davy | 1807 | 0.757 | 4 | 1 | ||||
20 | Calcium | Ca | 40.080 | 20 | 20 | 20 | 4 | 2 | Solid | yes | yes | Alkaline Earth Metal | 231 | 1.00 | 6.1132 | 1.540000 | 1115.00 | 1757.00 | 5 | Sir Humphrey Davy | 1808 | 0.647 | 4 | 2 | ||||
21 | Scandium | Sc | 44.956 | 24 | 21 | 21 | 4 | 3 | Solid | yes | yes | Transition Metal | 211 | 1.36 | 6.5615 | 2.990000 | 1814.00 | 3109.00 | 1 | Lars Fredrick Nilson | 1879 | 0.568 | 4 | 2 | ||||
22 | Titanium | Ti | 47.867 | 26 | 22 | 22 | 4 | 4 | Solid | yes | yes | Transition Metal | 187 | 1.54 | 6.8281 | 4.500000 | 1941.00 | 3560.00 | 5 | William Gregor isolated Lars Fredrick Nilson | 1791 | 0.523 | 4 | 2 | ||||
23 | Vanadium | V | 50.942 | 28 | 23 | 23 | 4 | 5 | Solid | yes | yes | Transition Metal | 179 | 1.63 | 6.7462 | 6.000000 | 2183.00 | 3680.00 | 1 | Andrés Manuel del Río | 1801 | 0.489 | 4 | 2 | ||||
24 | Chromium | Cr | 51.996 | 28 | 24 | 24 | 4 | 6 | Solid | yes | yes | Transition Metal | 189 | 1.66 | 6.7665 | 7.150000 | 2180.00 | 2944.00 | 4 | Nicholas Louis Vauquelin | 1797 | 0.449 | 4 | 1 | ||||
25 | Manganese | Mn | 54.938 | 30 | 25 | 25 | 4 | 7 | Solid | yes | yes | Transition Metal | 197 | 1.55 | 7.4340 | 7.300000 | 1519.00 | 2334.00 | 1 | Johan Gottlieb Gahn | 1774 | 0.479 | 4 | 2 | ||||
26 | Iron | Fe | 55.840 | 30 | 26 | 26 | 4 | 8 | Solid | yes | yes | Transition Metal | 194 | 1.83 | 7.9024 | 7.874000 | 1811.00 | 3134.00 | 4 | Prehistoric | 0.449 | 4 | 2 | |||||
27 | Cobalt | Co | 58.933 | 32 | 27 | 27 | 4 | 9 | Solid | yes | yes | Transition Metal | 192 | 1.88 | 7.8810 | 8.860000 | 1768.00 | 3200.00 | 1 | Georg Brandt | 1735 | 0.421 | 4 | 2 | ||||
28 | Nickel | Ni | 58.693 | 31 | 28 | 28 | 4 | 10 | Solid | yes | yes | Transition Metal | 163 | 1.91 | 7.6398 | 8.912000 | 1728.00 | 3186.00 | 5 | Baron Axel Fredrik Cronstedt | 1751 | 0.444 | 4 | 2 | ||||
29 | Copper | Cu | 63.550 | 35 | 29 | 29 | 4 | 11 | Solid | yes | yes | Transition Metal | 140 | 1.90 | 7.7264 | 8.933000 | 1357.77 | 2835.00 | 2 | Prehistoric | 0.385 | 4 | 1 | |||||
30 | Zinc | Zn | 65.400 | 35 | 30 | 30 | 4 | 12 | Solid | yes | yes | Transition Metal | 139 | 1.65 | 9.3942 | 7.134000 | 692.68 | 1180.00 | 5 | Ancient – rediscovered Andreas Sigismund Marggraf | 1746 | 0.388 | 4 | 2 | ||||
31 | Gallium | Ga | 69.723 | 39 | 31 | 31 | 4 | 13 | Solid | yes | yes | Post-Transition Metal | 187 | 1.81 | 5.9993 | 5.910000 | 302.91 | 2477.00 | 2 | Paul Émile Lecoq de Boisbaudran | 1875 | 0.371 | 4 | 3 | ||||
32 | Germanium | Ge | 72.630 | 41 | 32 | 32 | 4 | 14 | Solid | yes | yes | Metalloid | 211 | 2.01 | 7.8994 | 5.323000 | 1211.40 | 3106.00 | 4 | Clemens A. Winkler | 1886 | 0.320 | 4 | 4 | ||||
33 | Arsenic | As | 74.922 | 42 | 33 | 33 | 4 | 15 | Solid | yes | yes | Metalloid | 185 | 2.18 | 9.7886 | 5.776000 | 1090.00 | 887.00 | 1 | Ancient – obtained Albertus Magnus [Albert the Great] | 1250 | 0.329 | 4 | 5 | ||||
34 | Selenium | Se | 78.970 | 45 | 34 | 34 | 4 | 16 | Solid | yes | yes | Non-Metal | 190 | 2.55 | 9.7524 | 4.809000 | 493.65 | 958.00 | 5 | Jöns Jakob Berzelius | 1817 | 0.321 | 4 | 6 | ||||
35 | Bromine | Br | 79.900 | 45 | 35 | 35 | 4 | 17 | Liquid | yes | yes | Halogen | 183 | 2.96 | 11.8138 | 3.110000 | 265.95 | 331.95 | 2 | Antoine J. Balard and C. Löwig [independently] | 1826 | 0.474 | 4 | 7 | ||||
36 | Krypton | Kr | 83.800 | 48 | 36 | 36 | 4 | 18 | Gas | yes | yes | Noble Gas | 202 | 3.00 | 13.9996 | 0.003733 | 115.79 | 119.93 | 5 | Sir William Ramsay and Morris Travers | 1898 | 0.248 | 4 | 8 | ||||
37 | Rubidium | Rb | 85.468 | 48 | 37 | 37 | 5 | 1 | Solid | yes | yes | Alkali Metal | 303 | 0.82 | 4.1771 | 1.530000 | 312.46 | 961.00 | 1 | Robert Bunsen and Gustav R. Kirchhoff | 1861 | 0.363 | 5 | 1 | ||||
38 | Strontium | Sr | 87.620 | 50 | 38 | 38 | 5 | 2 | Solid | yes | yes | Alkaline Earth Metal | 249 | 0.95 | 5.6949 | 2.640000 | 1050.00 | 1655.00 | 4 | Adair Crawford - isolated Sir Humphrey Davy | 1808 | 0.301 | 5 | 2 | ||||
39 | Yttrium | Y | 88.906 | 50 | 39 | 39 | 5 | 3 | Solid | yes | yes | Transition Metal | 219 | 1.22 | 6.2173 | 4.470000 | 1795.00 | 3618.00 | 1 | Johan Gadolin | 1794 | 0.298 | 5 | 2 | ||||
40 | Zirconium | Zr | 91.220 | 51 | 40 | 40 | 5 | 4 | Solid | yes | yes | Transition Metal | 186 | 1.33 | 6.6339 | 6.520000 | 2128.00 | 4682.00 | 4 | Martin Heinrich Klaproth – isolated Jöns Jakob Berzelius | 1789 | 0.278 | 5 | 2 | ||||
41 | Niobium | Nb | 92.906 | 52 | 41 | 41 | 5 | 5 | Solid | yes | yes | Transition Metal | 207 | 1.60 | 6.7589 | 8.570000 | 2750.00 | 5017.00 | 1 | Charles Hatchett | 1801 | 0.265 | 5 | 1 | ||||
42 | Molybdenum | Mo | 95.950 | 54 | 42 | 42 | 5 | 6 | Solid | yes | yes | Transition Metal | 209 | 2.16 | 7.0924 | 10.200000 | 2896.00 | 4912.00 | 6 | Peter J. Hjelm | 1781 | 0.251 | 5 | 1 | ||||
43 | Technetium | Tc | 98.000 | 55 | 43 | 43 | 5 | 7 | Solid | yes | yes | Transition Metal | 209 | 1.90 | 7.2800 | 11.000000 | 2430.00 | 4538.00 | 0 | Carlo Perrier and Emilio Segrè | 1937 | 5 | 1 | |||||
44 | Ruthenium | Ru | 101.100 | 57 | 44 | 44 | 5 | 8 | Solid | yes | yes | Transition Metal | 207 | 2.20 | 7.3605 | 12.100000 | 2607.00 | 4423.00 | 7 | Jędrzej Śniadecki -isolated Karl Klaus | 1844 | 0.238 | 5 | 1 | ||||
45 | Rhodium | Rh | 102.906 | 58 | 45 | 45 | 5 | 9 | Solid | yes | yes | Transition Metal | 195 | 2.28 | 7.4589 | 12.400000 | 2237.00 | 3968.00 | 1 | William Hyde Wollaston | 1803 | 0.243 | 5 | 1 | ||||
46 | Palladium | Pd | 106.420 | 60 | 46 | 46 | 5 | 10 | Solid | yes | yes | Transition Metal | 202 | 2.20 | 8.3369 | 12.000000 | 1828.05 | 3236.00 | 6 | William Hyde Wollaston | 1803 | 0.244 | 5 | 1 | ||||
47 | Silver | Ag | 107.868 | 61 | 47 | 47 | 5 | 11 | Solid | yes | yes | Transition Metal | 172 | 1.93 | 7.5762 | 10.501000 | 1234.93 | 2435.00 | 2 | Prehistoric | 0.235 | 5 | 2 | |||||
48 | Cadmium | Cd | 112.410 | 64 | 48 | 48 | 5 | 12 | Solid | yes | yes | Transition Metal | 158 | 1.69 | 8.9938 | 8.690000 | 594.22 | 1040.00 | 6 | Friedrich Strohmeyer | 1817 | 0.232 | 5 | 3 | ||||
49 | Indium | In | 114.818 | 66 | 49 | 49 | 5 | 13 | Solid | yes | yes | Post-Transition Metal | 193 | 1.78 | 5.7864 | 7.310000 | 429.75 | 2345.00 | 1 | Ferdinand Reich and Hieronymous Richter | 1863 | 0.233 | 5 | 4 | ||||
50 | Tin | Sn | 118.710 | 69 | 50 | 50 | 5 | 14 | Solid | yes | yes | Post-Transition Metal | 217 | 1.96 | 7.3439 | 7.287000 | 505.08 | 2875.00 | 10 | Prehistoric | 0.228 | 5 | 5 | |||||
51 | Antimony | Sb | 121.760 | 71 | 51 | 51 | 5 | 15 | Solid | yes | yes | Metalloid | 206 | 2.05 | 8.6084 | 6.685000 | 903.78 | 1860.00 | 2 | Prehistoric – studied Nicolas Lémery | 1707 | 0.207 | 5 | 6 | ||||
52 | Tellurium | Te | 127.600 | 76 | 52 | 52 | 5 | 16 | Solid | yes | yes | Metalloid | 206 | 2.10 | 9.0096 | 6.232000 | 722.66 | 1261.00 | 6 | Baron Franz Joseph Müller von Reichenstein – isolated Martin-Heinrich Klaproth | 1798 | 0.202 | 5 | 7 | ||||
53 | Iodine | I | 126.905 | 74 | 53 | 53 | 5 | 17 | Solid | yes | yes | Halogen | 198 | 2.66 | 10.4513 | 4.930000 | 386.85 | 457.55 | 1 | Bernard Courtois | 1811 | 0.214 | 5 | 8 | ||||
54 | Xenon | Xe | 131.290 | 77 | 54 | 54 | 5 | 18 | Gas | yes | yes | Noble Gas | 216 | 2.60 | 12.1298 | 0.005887 | 161.36 | 165.03 | 7 | Sir William Ramsay and Morris Travers | 1898 | 0.158 | 5 | 1 | ||||
55 | Cesium | Cs | 132.905 | 78 | 55 | 55 | 6 | 1 | Solid | yes | yes | Alkali Metal | 343 | 0.79 | 3.8939 | 1.930000 | 301.59 | 944.00 | 1 | Robert Bunsen and Gustav R. Kirchhoff | 1860 | 0.242 | 6 | 2 | ||||
56 | Barium | Ba | 137.330 | 81 | 56 | 56 | 6 | 2 | Solid | yes | yes | Alkaline Earth Metal | 268 | 0.89 | 5.2117 | 3.620000 | 1000.00 | 2170.00 | 6 | Sir Humphrey Davy | 1808 | 0.204 | 6 | 2 | ||||
57 | Lanthanum | La | 138.906 | 82 | 57 | 57 | 6 | 3 | Solid | yes | yes | Lanthanide | 240 | 1.10 | 5.5769 | 6.150000 | 1191.00 | 3737.00 | 1 | Carl Gustav Mosander | 1839 | 0.195 | 6 | 2 | ||||
58 | Cerium | Ce | 140.116 | 82 | 58 | 58 | 6 | Solid | yes | yes | Lanthanide | 235 | 1.12 | 5.5387 | 6.770000 | 1071.00 | 3697.00 | 4 | Jöns Jakob Berzelius and Wilhelm von Hisinger - isolated William F. Hillebrand and Thomas H. Norton | 1803 | 0.192 | 6 | 2 | |||||
59 | Praseodymium | Pr | 140.908 | 82 | 59 | 59 | 6 | Solid | yes | yes | Lanthanide | 239 | 1.13 | 5.4730 | 6.770000 | 1204.00 | 3793.00 | 1 | Baron Carl Auer von Welsbach | 1885 | 0.193 | 6 | 2 | |||||
60 | Neodymium | Nd | 144.240 | 84 | 60 | 60 | 6 | Solid | yes | yes | Lanthanide | 229 | 1.14 | 5.5250 | 7.010000 | 1294.00 | 3347.00 | 5 | Baron Carl Auer von Welsbach | 1885 | 0.190 | 6 | 2 | |||||
61 | Promethium | Pm | 144.913 | 84 | 61 | 61 | 6 | Solid | yes | yes | Lanthanide | 236 | 1.13 | 5.5820 | 7.260000 | 1315.00 | 3273.00 | 0 | Jacob A. Marinsky and Lawrence E. Glendenin and Charles D. Coryell | 1945 | 6 | 2 | ||||||
62 | Samarium | Sm | 150.400 | 88 | 62 | 62 | 6 | Solid | yes | yes | Lanthanide | 229 | 1.17 | 5.6437 | 7.520000 | 1347.00 | 2067.00 | 5 | Paul Émile Lecoq de Boisbaudran | 1879 | 0.197 | 6 | 2 | |||||
63 | Europium | Eu | 151.964 | 89 | 63 | 63 | 6 | Solid | yes | yes | Lanthanide | 233 | 1.20 | 5.6704 | 5.240000 | 1095.00 | 1802.00 | 1 | Eugène-Antole Demarçay | 1901 | 0.182 | 6 | 2 | |||||
64 | Gadolinium | Gd | 157.200 | 93 | 64 | 64 | 6 | Solid | yes | yes | Lanthanide | 237 | 1.20 | 6.1501 | 7.900000 | 1586.00 | 3546.00 | 6 | Jean Charles Galissard de Marignac | 1880 | 0.236 | 6 | 2 | |||||
65 | Terbium | Tb | 158.925 | 94 | 65 | 65 | 6 | Solid | yes | yes | Lanthanide | 221 | 1.20 | 5.8638 | 8.230000 | 1629.00 | 3503.00 | 1 | Carl Gustaf Mosander | 1843 | 0.182 | 6 | 2 | |||||
66 | Dysprosium | Dy | 162.500 | 97 | 66 | 66 | 6 | Solid | yes | yes | Lanthanide | 229 | 1.22 | 5.9389 | 8.550000 | 1685.00 | 2840.00 | 7 | Paul Émile Lecoq de Boisbaudran | 1886 | 0.170 | 6 | 2 | |||||
67 | Holmium | Ho | 164.930 | 98 | 67 | 67 | 6 | Solid | yes | yes | Lanthanide | 216 | 1.23 | 6.0215 | 8.800000 | 1747.00 | 2973.00 | 1 | Marc Delafontaine with Jacques-Louis Soret and Per Teodor Cleve | 1878 | 0.165 | 6 | 2 | |||||
68 | Erbium | Er | 167.260 | 99 | 68 | 68 | 6 | Solid | yes | yes | Lanthanide | 235 | 1.24 | 6.1077 | 9.070000 | 1802.00 | 3141.00 | 6 | Carl Gustaf Mosander | 1843 | 0.168 | 6 | 2 | |||||
69 | Thulium | Tm | 168.934 | 100 | 69 | 69 | 6 | Solid | yes | yes | Lanthanide | 227 | 1.25 | 6.1843 | 9.320000 | 1818.00 | 2223.00 | 1 | Per Teodor Cleve | 1879 | 0.160 | 6 | 2 | |||||
70 | Ytterbium | Yb | 173.050 | 103 | 70 | 70 | 6 | Solid | yes | yes | Lanthanide | 242 | 1.10 | 6.2542 | 6.900000 | 1092.00 | 1469.00 | 7 | Jean Charles Galissard de Marignac | 1878 | 0.155 | 6 | 2 | |||||
71 | Lutetium | Lu | 174.967 | 104 | 71 | 71 | 6 | Solid | yes | yes | Lanthanide | 221 | 1.27 | 5.4259 | 9.840000 | 1936.00 | 3675.00 | 1 | Georges Urbain and Charles James [independently] | 1907 | 0.154 | 6 | 2 | |||||
72 | Hafnium | Hf | 178.490 | 106 | 72 | 72 | 6 | 4 | Solid | yes | yes | Transition Metal | 212 | 1.30 | 6.8251 | 13.300000 | 2506.00 | 4876.00 | 5 | Dirk Coster and Georg von Hevesey | 1923 | 0.144 | 6 | 2 | ||||
73 | Tantalum | Ta | 180.948 | 108 | 73 | 73 | 6 | 5 | Solid | yes | yes | Transition Metal | 217 | 1.50 | 7.5496 | 16.400000 | 3290.00 | 5731.00 | 2 | Anders Gustaf Ekenberg | 1802 | 0.140 | 6 | 2 | ||||
74 | Tungsten | W | 183.840 | 110 | 74 | 74 | 6 | 6 | Solid | yes | yes | Transition Metal | 210 | 2.36 | 7.8640 | 19.300000 | 3695.00 | 5828.00 | 4 | José and Fausto Elhuijar | 1783 | 0.132 | 6 | 2 | ||||
75 | Rhenium | Re | 186.207 | 111 | 75 | 75 | 6 | 7 | Solid | yes | yes | Transition Metal | 217 | 1.90 | 7.8335 | 20.800000 | 3459.00 | 5869.00 | 1 | Walter Noddack and Ida Tacke and and Otto Berg | 1925 | 0.137 | 6 | 2 | ||||
76 | Osmium | Os | 190.200 | 114 | 76 | 76 | 6 | 8 | Solid | yes | yes | Transition Metal | 216 | 2.20 | 8.4382 | 22.570000 | 3306.00 | 5285.00 | 6 | Smithson Tennant and William Hyde Wollaston | 1803 | 0.130 | 6 | 2 | ||||
77 | Iridium | Ir | 192.220 | 115 | 77 | 77 | 6 | 9 | Solid | yes | yes | Transition Metal | 202 | 2.20 | 8.9670 | 22.420000 | 2719.00 | 4701.00 | 2 | Smithson Tennant | 1803 | 0.131 | 6 | 1 | ||||
78 | Platinum | Pt | 195.080 | 117 | 78 | 78 | 6 | 10 | Solid | yes | yes | Transition Metal | 209 | 2.28 | 8.9587 | 21.460000 | 2041.55 | 4098.00 | 5 | Prehistoric pre-Columbian South Americans - Don Antonio de Ulloa | 1735 | 0.133 | 6 | 1 | ||||
79 | Gold | Au | 196.967 | 118 | 79 | 79 | 6 | 11 | Solid | yes | yes | Transition Metal | 166 | 2.54 | 9.2255 | 19.282000 | 1337.33 | 3129.00 | 1 | Prehistoric | 0.129 | 6 | 2 | |||||
80 | Mercury | Hg | 200.590 | 121 | 80 | 80 | 6 | 12 | Liquid | yes | yes | Transition Metal | 209 | 2.00 | 10.4375 | 13.533600 | 234.32 | 629.88 | 7 | Prehistoric | 0.140 | 6 | 3 | |||||
81 | Thallium | Tl | 204.383 | 123 | 81 | 81 | 6 | 13 | Solid | yes | yes | Post-Transition Metal | 196 | 1.62 | 6.1082 | 11.800000 | 577.00 | 1746.00 | 2 | William Crookes | 1861 | 0.129 | 6 | 4 | ||||
82 | Lead | Pb | 207.000 | 125 | 82 | 82 | 6 | 14 | Solid | yes | yes | Post-Transition Metal | 202 | 2.33 | 7.4167 | 11.342000 | 600.61 | 2022.00 | 4 | Prehistoric | 0.129 | 6 | 5 | |||||
83 | Bismuth | Bi | 208.980 | 126 | 83 | 83 | 6 | 15 | Solid | yes | yes | Post-Transition Metal | 207 | 2.02 | 7.2856 | 9.807000 | 544.55 | 1837.00 | 0 | Ancient – isolated Claude-Francois Geoffroy | 1753 | 0.122 | 6 | 6 | ||||
84 | Polonium | Po | 209.000 | 125 | 84 | 84 | 6 | 16 | Solid | yes | yes | yes | Metalloid | 197 | 2.00 | 8.4170 | 9.320000 | 527.00 | 1235.00 | 0 | Marie Curie | 1898 | 6 | 7 | ||||
85 | Astatine | At | 209.987 | 125 | 85 | 85 | 6 | 17 | Solid | yes | yes | yes | Halogen | 202 | 2.20 | 9.3000 | 7.000000 | 575.00 | 503.00 | 0 | Dale R. Corson and K. R. MacKenzie and Emilio Segrè | 1940 | 6 | 8 | ||||
86 | Radon | Rn | 222.018 | 136 | 86 | 86 | 6 | 18 | Gas | yes | yes | yes | Noble Gas | 220 | 2.20 | 10.7485 | 0.009730 | 202.00 | 211.45 | 0 | Friederich Ernst Dorn | 1900 | 0.094 | 6 | 1 | |||
87 | Francium | Fr | 223.020 | 136 | 87 | 87 | 7 | 1 | Solid | yes | yes | yes | Alkali Metal | 348 | 0.70 | 4.0727 | 300.00 | 890.00 | 0 | Marguerite Perey | 1939 | 7 | 2 | |||||
88 | Radium | Ra | 226.025 | 138 | 88 | 88 | 7 | 2 | Solid | yes | yes | yes | Alkaline Earth Metal | 283 | 0.90 | 5.2784 | 5.500000 | 973.00 | 1413.00 | 0 | Pierre and Marie Curie | 1898 | 7 | 2 | ||||
89 | Actinium | Ac | 227.028 | 138 | 89 | 89 | 7 | 3 | Solid | yes | yes | yes | Actinide | 260 | 1.10 | 5.1700 | 10.070000 | 1324.00 | 3471.00 | 0 | André-Louis Debierne | 1899 | 0.120 | 7 | 2 | |||
90 | Thorium | Th | 232.038 | 142 | 90 | 90 | 7 | Solid | yes | yes | yes | Actinide | 237 | 1.30 | 6.3067 | 11.720000 | 2023.00 | 5061.00 | 0 | Jöns Jakob Berzelius | 1828 | 0.113 | 7 | 2 | ||||
91 | Protactinium | Pa | 231.036 | 140 | 91 | 91 | 7 | Solid | yes | yes | yes | Actinide | 243 | 1.50 | 5.8900 | 15.370000 | 1845.00 | 4300.00 | 0 | Otto Hahn with Lise Meitner - Kasimir Fajans with O. H. Göhring - Frederick Soddy with John Cranston with Alexander Fleck [independently] – isolated Aristid V. Grosse | 1934 | 7 | 2 | |||||
92 | Uranium | U | 238.029 | 146 | 92 | 92 | 7 | Solid | yes | yes | yes | Actinide | 240 | 1.38 | 6.1941 | 18.950000 | 1408.00 | 4404.00 | 0 | Martin-Heinrich Klaproth – isolated Eugène-Melchior Peligot | 1841 | 0.116 | 7 | 2 | ||||
93 | Neptunium | Np | 237.048 | 144 | 93 | 93 | 7 | Solid | yes | yes | Actinide | 221 | 1.36 | 6.2657 | 20.250000 | 917.00 | 4175.00 | 0 | Edwin M. McMillan and Philip H. Abelson | 1940 | 7 | 2 | ||||||
94 | Plutonium | Pu | 244.064 | 150 | 94 | 94 | 7 | Solid | yes | yes | Actinide | 243 | 1.28 | 6.0262 | 19.840000 | 913.00 | 3501.00 | 0 | Glenn T. Seaborg and Arthur C. Wahl and Joseph W. Kennedy | 1940 | 7 | 2 | ||||||
95 | Americium | Am | 243.061 | 148 | 95 | 95 | 7 | Solid | yes | yes | Actinide | 244 | 1.30 | 5.9738 | 13.690000 | 1449.00 | 2284.00 | 0 | Glenn T. Seaborg and Ralph A. James and Leon O. Morgan and Albert Ghiorso | 1944 | 7 | 2 | ||||||
96 | Curium | Cm | 247.070 | 151 | 96 | 96 | 7 | Solid | yes | yes | Actinide | 245 | 1.30 | 5.9915 | 13.510000 | 1618.00 | 3400.00 | 0 | Glenn T. Seaborg and Ralph A. James and and Albert Ghiorso | 1944 | 7 | 2 | ||||||
97 | Berkelium | Bk | 247.070 | 150 | 97 | 97 | 7 | Solid | yes | yes | Actinide | 244 | 1.30 | 6.1979 | 14.000000 | 1323.00 | 2900.00 | 0 | Stanley G. Thompson and Albert Ghiorso and and Glenn T. Seaborg | 1949 | 7 | 2 | ||||||
98 | Californium | Cf | 251.080 | 153 | 98 | 98 | 7 | Solid | yes | yes | Actinide | 245 | 1.30 | 6.2817 | 15.100000 | 1173.00 | 1743.00 | 0 | Stanley G. Thompson and Kenneth Street and Jr. and Albert Ghiorso and and Glenn T. Seaborg | 1950 | 7 | 2 | ||||||
99 | Einsteinium | Es | 252.083 | 153 | 99 | 99 | 7 | Solid | yes | yes | Actinide | 245 | 1.30 | 6.4200 | 8.840000 | 1133.00 | 1269.00 | 0 | Gregory R. Choppin and Stanley G. Thompson and Albert Ghiorso and and Bernard G. Harvey | 1952 | 7 | 2 | ||||||
100 | Fermium | Fm | 257.095 | 157 | 100 | 100 | 7 | Solid | yes | yes | Actinide | 1.30 | 6.5000 | 9.970000 | 1800.00 | 0 | Gregory R. Choppin and Stanley G. Thompson and Albert Ghiorso and and Bernard G. Harvey | 1952 | 7 | 2 | ||||||||
101 | Mendelevium | Md | 258.098 | 157 | 101 | 101 | 7 | Solid | yes | yes | Actinide | 1.30 | 6.5800 | 10.300000 | 1100.00 | 0 | Albert Ghiorso and Bernard G. Harvey and Greogory R. Chopin and Stanley G. Thompson and and Glenn T. Seaborg | 1955 | 7 | 2 | ||||||||
102 | Nobelium | No | 259.101 | 157 | 102 | 102 | 7 | Solid | yes | yes | Actinide | 1.30 | 6.6500 | 9.900000 | 1100.00 | 0 | Albert Ghiorso and Torbjorn Sikkeland and John R. Walton and and Glenn T. Seaborg | 1958 | 7 | 3 | ||||||||
103 | Lawrencium | Lr | 266.120 | 163 | 103 | 103 | 7 | Solid | yes | yes | Actinide | 1.30 | 14.400000 | 1900.00 | 0 | Albert Ghiorso and Torbjorn Sikkeland and Almon Larsh and and Robert M. Latimer | 1961 | 7 | 2 | |||||||||
104 | Rutherfordium | Rf | 267.122 | 163 | 104 | 104 | 7 | 4 | Solid | yes | yes | Transition Metal | 17.000000 | 0 | Researchers at the JINR and Albert Ghiorso et. al. | 1964 | 7 | 2 | ||||||||||
105 | Dubnium | Db | 268.126 | 163 | 105 | 105 | 7 | 5 | Solid | yes | yes | Transition Metal | 21.600000 | 0 | Researchers at the JINR and Albert Ghiorso et. al. | 1967 | 7 | 2 | ||||||||||
106 | Seaborgium | Sg | 269.128 | 163 | 106 | 106 | 7 | 6 | Solid | yes | yes | Transition Metal | 23.500000 | 0 | Albert Ghiorso et. al. | 1974 | 7 | 2 | ||||||||||
107 | Bohrium | Bh | 270.133 | 163 | 107 | 107 | 7 | 7 | Solid | yes | yes | Transition Metal | 26.500000 | 0 | Peter Armbruster and Gottfried Münzenberg et. al. | 1981 | 7 | 2 | ||||||||||
108 | Hassium | Hs | 269.134 | 161 | 108 | 108 | 7 | 8 | Solid | yes | yes | Transition Metal | 28.000000 | 0 | Peter Armbruster and Gottfried Münzenberg et. al. | 1984 | 7 | |||||||||||
109 | Meitnerium | Mt | 277.154 | 168 | 109 | 109 | 7 | 9 | Solid | yes | yes | Transition Metal | 27.500000 | 0 | Peter Armbruster and Gottfried Münzenberg et. al. | 1982 | 7 | |||||||||||
110 | Darmstadtium | Ds | 282.166 | 172 | 110 | 110 | 7 | 10 | Solid (Expected) | yes | yes | Transition Metal | 26.500000 | 0 | Jorge Rigol et. al. | 1994 | 7 | |||||||||||
111 | Roentgenium | Rg | 282.169 | 171 | 111 | 111 | 7 | 11 | Solid (Expected) | yes | yes | Transition Metal | 22.500000 | 0 | Peter Armbruster and Gottfried Münzenberg et. al. | 1994 | 7 | |||||||||||
112 | Copernicium | Cn | 286.179 | 174 | 112 | 112 | 7 | 12 | Solid (Expected) | yes | yes | Transition Metal | 23.700000 | 0 | Peter Armbruster and Gottfried Münzenberg et. al. | 1996 | 7 | |||||||||||
113 | Nihonium | Nh | 286.182 | 173 | 113 | 113 | 7 | 13 | Solid (Expected) | yes | yes | Post-Transition Metal | 11.850000 | 0 | RIKEN Nishina Center for Accelerator-based Science | 2004 | 7 | |||||||||||
114 | Flerovium | Fl | 290.192 | 176 | 114 | 114 | 7 | 14 | Solid (Expected) | yes | yes | Post-Transition Metal | 9.928000 | 0 | Joint Institute for Nuclear Research | 1998 | 7 | |||||||||||
115 | Moscovium | Mc | 290.196 | 175 | 115 | 115 | 7 | 15 | Solid (Expected) | yes | yes | Post-Transition Metal | 13.500000 | 0 | Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory and Oak Ridge National Laboratory | 2003 | 7 | |||||||||||
116 | Livermorium | Lv | 293.205 | 177 | 116 | 116 | 7 | 16 | Solid (Expected) | yes | yes | Post-Transition Metal | 12.900000 | 0 | Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory | 2000 | 7 | |||||||||||
117 | Tennessine | Ts | 294.211 | 177 | 117 | 117 | 7 | 17 | Solid (Expected) | yes | yes | Halogen | 7.200000 | 0 | Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory and Oak Ridge National Laboratory | 2010 | 7 | |||||||||||
118 | Oganesson | Og | 295.216 | 177 | 118 | 118 | 7 | 18 | Gas (Expected) | yes | yes | Noble Gas | 7.200000 | 0 | Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory | 2006 | 7 |
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Multiple additions and corrections.
This CSV is generated from a Java Enum I wrote, here:
https://github.com/speters33w/PeriodicTable
Most non-calculated data is from NIH PubChem
Some data from newer elements (such as the density of Copernicium, etc.) is expected, but not verifiable at this time.
Atomic mass: Atomic Weight of an element in atomic mass units (amu)
Atomic Radius: the van der Waals atomic radius in picometers (pm).
Electronegativity: Electronegativity in Pauling units
IonizationEnergy: the ionization energy of an element in electron-volts (eV)
Density: density of an element in g/cm^3
Melting Point: the melting point of an element in degrees Kelvin
Boiling Point: the boiling point of an element in degrees Kelvin
Specific Heat: the specific heat of an element in Joules per gram Kelvin J/(g•K)