Actinium 227 89 3 3470 Ac 10.07 [Rn] 6d1 7s2 1.1 1.88 22.5 0.12 5.17 12 Aluminum 26.98154 13 3 2740 933.5 Al 2.7 [Ne] 3s2 p1 1.18 1.61 1.43 290.8 10 10.7 5.986 0.9 237 Americium 243 95 6, 5, 4, 3 2880 1449 Am 13.7 [Rn] 5f7 7s2 1.3 1.84 20.8 6 10 Antimony 121.757 51 +/-3, 5 1860 903.91 Sb 6.69 [Kr] 4d10 5s2 p3 1.4 2.05 1.59 67.97 18.4 19.83 8.641 0.207 24.3 Argon 39.948 18 87.45 83.95 Ar 1.784 [Ne] 3s2 p6 0.98 0 0.88 6.506 24.2 1.188 15.759 0.52 0.0177 Arsenic 74.9216 33 +/-3, 5 876 1090 As 5.78 [Ar] 3d10 4s2 p3 1.2 2.18 1.39 32.4 13.1 27.7 9.81 0.33 50 Astatine 210 85 +/-1, 3, 5, 7 610 575 At [Xe] 4f14 5d10 6s2 p5 1.47 2.2 1.45 30 12 1.7 Gold 196.9665 79 3, 1 3130 1337.58 Au 19.3 [Xe] 4f14 5d10 6s1 1.34 2.54 1.46 324.43 10.2 12.36 9.225 0.128 317 Boron 10.811 5 3 4275 2365 B 2.34 1s2 2s2 p1 0.82 2.04 0.98 507.8 4.6 22.6 8.298 1.026 27 Barium 137.33 56 2 2078 1002 Ba 3.59 [Xe] 6s2 1.98 0.89 2.22 140.2 39 8.01 5.212 0.204 18.4 Beryllium 9.01218 4 2 3243 1560 Be 1.85 1s2 2s2 0.9 1.57 1.12 297 5 11.71 9.322 1.825 200 Bohrium 262 107 Bh [Rn] 5f14 6d5 7s2 Bismuth 208.9804 83 3, 5 1837 544.59 Bi 9.75 [Xe] 4f14 5d10 6s2 p3 1.46 2.02 1.7 179 21.3 11 7.289 0.122 7.87 Berkelium 247 97 4, 3 Bk [Rn] 5f9 7s2 1.3 6.23 10 Bromine 79.904 35 +/-1, 5 331.85 265.95 Br 3.12 [Ar] 3d10 4s2 p5 1.14 2.96 1.12 14.725 23.5 5.286 11.814 0.226 0.122 Carbon 12.011 6 +/-4, 2 5100 3825 C 2.26 1s2 2s2 p2 0.77 2.55 0.91 715 5.3 11.26 0.709 155 Calcium 40.078 20 2 1757 1112 Ca 1.55 [Ar] 4s2 1.74 1 1.97 154.67 29.9 8.53 6.113 0.647 200 Cadmium 112.41 48 2 1040 594.26 Cd 8.65 [Kr] 4d10 5s2 1.41 1.69 1.71 99.87 13.1 6.07 8.993 0.233 96.8 Cerium 140.12 58 3, 4 3715 1071 Ce 6.77 [Xe] 4f1 5d1 6s2 1.65 1.12 1.81 313.8 21 9.2 5.47 0.19 11.4 Californium 251 98 3 1170 Cf [Rn] 5f10 7s2 1.3 6.3 10 Chlorine 35.4527 17 +/-1, 3, 5, 7 239.18 172.17 Cl 3.214 [Ne] 3s2 p5 0.99 3.16 0.97 10.2 18.7 3.21 12.967 0.48 0.0089 Curium 247 96 3 1620 Cm 13.5 [Rn] 5f7 6d1 7s2 1.3 18.3 6.02 10 Cobalt 58.9332 27 2, 3 3143 1768 Co 8.9 [Ar] 3d7 4s2 1.16 1.88 1.25 373.3 6.7 16.19 7.86 0.421 100 Chromium 51.996 24 6, 3, 2 2945 2130 Cr 7.19 [Ar] 3d5 4s1 1.18 1.66 1.3 339.5 7.23 20 6.766 0.449 93.7 Cesium 132.9054 55 1 944 301.54 Cs 1.87 [Xe] 6s1 2.35 0.79 2.67 67.74 70 2.092 3.894 0.24 35.9 Copper 63.546 29 2, 1 2840 1356.6 Cu 8.96 [Ar] 3d10 4s1 1.17 1.9 1.28 300.5 7.1 13.14 7.726 0.385 401 Dubnium 262 105 Db [Rn] 5f14 6d3 7s2 Dysprosium 162.5 66 3 2840 1685 Dy 8.55 [Xe] 4f10 6s2 1.59 1.22 1.8 230 19 5.93 0.173 10.7 Erbium 167.26 68 3 3140 1802 Er 9.07 [Xe] 4f12 6s2 1.57 1.24 1.78 292.88 18.4 17.15 6.101 0.168 14.3 Einsteinium 252 99 1130 Es [Rn] 5f11 7s2 1.3 6.42 10 Europium 151.965 63 3, 2 1800 1095 Eu 5.24 [Xe] 4f7 6s2 1.85 1.2 1.99 175.73 28.9 9.21 5.67 0.182 13.9 Fluorine 18.9984 9 -1 85 53.55 F 1.696 1s2 2s2 p5 0.72 3.98 0.57 3.2698 17.1 0.26 17.422 0.824 0.0279 Iron 55.847 26 2, 3 3023 1808 Fe 7.874 [Ar] 3d6 4s2 1.17 1.83 1.26 349.5 7.1 13.8 7.87 0.449 80.2 Fermium 257 100 1800 Fm [Rn] 5f12 7s2 1.3 6.5 10 Francium 223 87 1 950 300 Fr [Rn] 7s1 0.7 2.7 64 2.1 0 15 Gallium 69.723 31 3 2478 302.92 Ga 5.91 [Ar] 3d10 4s2 p1 1.26 1.81 1.41 256.06 11.8 5.59 5.999 0.371 40.6 Gadolinium 157.25 64 3 3545 1585 Gd 7.9 [Xe] 4f7 5d1 6s2 1.61 1.2 1.8 311.71 19.9 10.46 6.15 0.236 10.6 Germanium 72.61 32 4 3107 1211.5 Ge 5.32 [Ar] 3d10 4s2 p2 1.22 2.01 1.37 334.3 13.6 31.8 7.899 0.32 59.9 Hydrogen 1.00794 1 1 20.28 13.81 H 0.0899 1s1 0.32 2.1 2.08 0.4581 14.1 0.0585 13.598 14.304 0.1815 Helium 4.0026 2 4.216 0.95 He 0.1785 1s2 0.93 0 0.084 31.8 0.021 24.587 5.193 0.152 Hafnium 178.49 72 4 4875 2504 Hf 13.31 [Xe] 4f14 5d2 6s2 1.44 1.3 1.67 661.07 13.6 21.76 6.65 0.14 23 Mercury 200.59 80 2, 1 629.88 234.31 Hg 13.55 [Xe] 4f14 5d10 6s2 1.49 2 1.6 59.3 14.8 2.292 10.437 0.140 8.34 Holmium 164.9303 67 3 2968 1747 Ho 8.8 [Xe] 4f11 6s2 1.58 1.23 1.79 251.04 18.7 11.06 6.02 0.165 16.2 Hassium 265 108 Hs [Rn] 5f14 6d6 7s2 Iodine 126.9045 53 +/-1, 5, 7 457.5 386.7 I 4.93 [Kr] 4d10 5s2 p5 1.33 2.66 1.32 20.9 25.7 7.76 10.451 0.145 0.449 Indium 114.82 49 3 2350 429.78 In 7.31 [Kr] 4d10 5s2 p1 1.44 1.78 1.66 226.35 15.7 3.26 5.786 0.233 81.6 Iridium 192.22 77 2, 3, 4, 6 4700 2720 Ir 22.6 [Xe] 4f14 5d7 6s2 1.27 2.2 1.36 563.58 8.54 26.36 9.1 0.13 147 Potassium 39.0983 19 1 1033 336.8 K 0.86 [Ar] 4s1 2.03 0.82 2.35 76.9 45.3 2.33 4.341 0.757 102.5 Krypton 83.8 36 120.85 116 Kr 3.75 [Ar] 3d10 4s2 p6 1.89 0 1.03 9.029 32.2 1.638 13.999 0.248 0.00949 Lanthanum 138.9055 57 3 3737 1191 La 6.15 [Xe] 5d1 6s2 1.25 1.1 1.38 399.57 22.5 11.3 5.58 0.19 13.5 Lithium 6.941 3 1 1615 453.7 Li 0.53 1s2 2s1 1.23 0.98 1.55 147.1 13.1 3 5.392 3.582 84.7 Lawrencium 262 103 1900 Lr [Rn] 5f14 6d1 7s2 10 Lutetium 174.967 71 3 3668 1936 Lu 9.84 [Xe] 4f14 5d1 6s2 1.56 1.27 1.75 355 17.8 18.6 5.43 0.15 16.4 Mendelevium 258 101 1100 Md [Rn] 5f13 7s2 1.3 6.58 10 Magnesium 24.305 12 2 1380 922 Mg 1.74 [Ne] 3s2 1.36 1.31 1.6 127.6 14 8.95 7.646 1.02 156 Manganese 54.938 25 7, 6, 4, 2, 3 2335 1518 Mn 7.44 [Ar] 3d5 4s2 1.17 1.55 1.35 219.74 7.39 14.64 7.435 0.48 7.82 Molybdenum 95.94 42 6, 5, 4, 3, 2 4912 2896 Mo 10.22 [Kr] 4d5 5s1 1.3 2.16 1.39 590.4 9.4 36 7.099 0.25 138 Meitnerium 266 109 Mt [Rn] 5f14 6d7 7s2 Nitrogen 14.0067 7 +/-3, 5, 4, 2 77.344 63.15 N 1.251 1s2 2s2 p3 0.75 3.04 0.92 2.7928 17.3 0.36 14.534 1.042 0.02598 Sodium 22.98977 11 1 1156 371 Na 0.97 [Ne] 3s1 1.54 0.93 1.9 98.01 23.7 2.601 5.139 1.23 141 Niobium 92.9064 41 5, 3 5015 2742 Nb 8.57 [Kr] 4d4 5s1 1.34 1.6 1.46 690.1 10.8 26.9 6.88 0.265 53.7 Neodymium 144.24 60 3 3347 1294 Nd 7.01 [Xe] 4f4 6s2 1.64 1.14 1.82 283.68 20.6 10.88 5.49 0.19 16.5 Neon 20.1797 10 27.1 24.55 Ne 0.900 1s2 2s2 p6 0.71 0 0.51 1.77 16.9 0.34 21.564 1.03 0.0493 Nickel 58.6934 28 2, 3 3005 1726 Ni 8.9 [Ar] 3d8 4s2 1.15 1.91 1.24 377.5 6.6 17.2 7.635 0.444 90.7 Nobelium 259 102 1100 No [Rn] 5f14 7s2 1.3 6.65 10 Neptunium 237.0482 93 6, 5, 4, 3 4175 912 Np 20.2 [Rn] 5f4 6d1 7s2 1.36 1.3 21.1 6.19 6.3 Oxygen 15.9994 8 -2 90.188 54.8 O 1.429 1s2 2s2 p4 0.73 3.44 0.65 3.4109 14 0.222 13.618 0.92 0.2674 Osmium 190.2 76 2, 3, 4, 6, 8 5300 3300 Os 22.6 [Xe] 4f14 5d6 6s2 1.26 2.2 1.35 627.6 8.43 29.29 8.7 0.13 87.6 Phosphorus 30.97376 15 +/-3, 5, 4 553 317.3 P 1.82 [Ne] 3s2 p3 1.06 2.19 1.28 12.4 17 0.63 10.486 0.769 0.235 Protactinium 231.0359 91 5, 4 4300 1845 Pa 15.4 [Rn] 5f2 6d1 7s2 1.5 1.61 15 5.88 47 Lead 207.2 82 4, 2 2023 600.65 Pb 11.35 [Xe] 4f14 5d10 6s2 p2 1.47 2.33 1.75 177.9 18.3 4.77 7.416 0.129 35.3 Palladium 106.42 46 2, 4 3240 1825 Pd 12 [Kr] 4d10 1.28 2.2 1.37 393.3 8.9 16.74 8.34 0.244 71.8 Promethium 145 61 3 3273 1315 Pm 7.22 [Xe] 4f5 6s2 1.63 1.13 22.4 5.55 17.9 Polonium 209 84 4, 2 527 Po 9.3 [Xe] 4f14 5d10 6s2 p4 1.53 2 1.67 120 22.7 13 8.42 20 Praseodymium 140.9077 59 3, 4 3785 1204 Pr 6.77 [Xe] 4f3 6s2 1.65 1.13 1.82 332.63 20.8 10.04 5.42 0.193 12.5 Platinum 195.08 78 2, 4 4100 2042.1 Pt 21.45 [Xe] 4f14 5d9 6s1 1.3 2.28 1.39 510.45 9.1 19.66 9 0.13 71.6 Plutonium 244 94 6, 5, 4, 3 3505 913 Pu 19.84 [Rn] 5f6 7s2 1.28 1.51 12.32 6.06 0.13 6.74 Radium 226.0254 88 2 1413 973 Ra 5 [Rn] 7s2 0.89 2.33 136.82 45.2 8.37 5.279 0.094 18.6 Rubidium 85.4678 37 1 961 312.63 Rb 1.532 [Kr] 5s1 2.16 0.82 2.48 69.2 55.9 2.34 4.177 0.363 58.2 Rhenium 186.207 75 7, 6, 4, 2, -1 5870 3455 Re 21 [Xe] 4f14 5d5 6s2 1.28 1.9 1.37 707.1 8.85 33.05 7.88 0.137 47.9 Rutherfordium 261 104 Rf [Rn] 5f14 6d2 7s2 Rhodium 102.9055 45 2, 3, 4 3970 2236 Rh 12.41 [Kr] 4d8 5s1 1.25 2.28 1.34 495.39 8.3 21.76 7.46 0.242 150 Radon 222 86 211.4 202 Rn 9.73 [Xe] 4f14 5d10 6s2 p6 0 1.34 16.4 50.5 2.9 10.748 0.094 0.00364 Ruthenium 101.07 44 2, 3, 4, 6, 8 4425 2610 Ru 12.37 [Kr] 4d7 5s1 1.25 2.2 1.34 567.77 8.3 25.52 7.37 0.238 117 Sulfur 32.066 16 +/-2, 4, 6 717.82 392.2 S 2.07 [Ne] 3s2 p4 1.02 2.58 1.27 10 15.5 1.73 10.36 0.71 0.269 Silver 107.868 47 1 2436 1235.08 Ag 10.5 [Kr] 4d10 5s1 1.34 1.93 1.44 250.63 10.3 11.3 7.576 0.232 429 Scandium 44.9559 21 3 3109 1814 Sc 2.99 [Ar] 3d1 4s2 1.44 1.36 1.62 304.8 15 16.11 6.54 0.568 15.8 Selenium 78.96 34 -2, 4, 6 958 494 Se 4.79 [Ar] 3d10 4s2 p4 1.16 2.55 1.4 26.32 16.5 5.54 9.752 0.32 2.04 Seaborgium 263 106 Sg [Rn] 5f14 6d4 7s2 Silicon 28.0855 14 4 2630 1683 Si 2.33 [Ne] 3s2 p2 1.11 1.9 1.32 359 12.1 50.2 8.151 0.70 148 Samarium 150.36 62 3, 2 2067 1347 Sm 7.52 [Xe] 4f6 6s2 1.62 1.17 1.81 191.63 19.9 11.09 5.63 0.197 13.3 Strontium 87.62 38 2 1655 1042 Sr 2.54 [Kr] 5s2 1.91 0.95 2.15 136.9 33.7 8.2 5.695 0.3 35.3 Tantalum 180.9479 73 5 5730 3293 Ta 16.65 [Xe] 4f14 5d3 6s2 1.34 1.5 1.49 737 10.9 36 7.89 0.14 57.5 Terbium 158.9253 65 3, 4 3500 1629 Tb 8.23 [Xe] 4f9 6s2 1.59 1.1 1.8 19.2 15.48 5.86 0.18 11.1 Technetium 98 43 7 4538 2477 Tc 11.5 [Kr] 4d5 5s2 1.27 1.9 1.36 502 8.5 23 7.28 0.24 50.6 Tellurium 127.6 52 -2, 4, 6 1261 722.72 Te 6.24 [Kr] 4d10 5s2 p4 1.36 2.1 1.42 50.63 20.5 17.49 9.009 0.202 2.35 Thorium 232.0381 90 4 5060 2028 Th 11.72 [Rn] 6d2 7s2 1.65 1.3 1.8 543.92 19.9 15.65 6.08 0.113 54 Tin 118.71 50 4, 2 2876 505.12 Sn 7.31 [Kr] 4d10 5s2 p2 1.41 1.96 1.62 290.37 16.3 7.2 7.344 0.228 66.6 Titanium 47.88 22 4, 3 3560 1945 Ti 4.54 [Ar] 3d2 4s2 1.32 1.54 1.45 425.2 10.6 18.6 6.82 0.523 21.9 Thallium 204.383 81 3, 1 1746 577 Tl 11.85 [Xe] 4f14 5d10 6s2 p1 1.48 2.04 1.71 162.09 17.2 4.27 6.108 0.129 46.1 Thulium 168.9342 69 3, 2 2223 1818 Tm 9.32 [Xe] 4f13 6s2 1.56 1.25 1.77 191 18.1 16.8 6.184 0.16 16.8 Uranium 238.029 92 6, 5, 4, 3 4407 1408 U 18.95 [Rn] 5f3 6d1 7s2 1.42 1.38 1.38 422.58 12.5 15.48 6.05 0.12 27.6 ununbium 277 112 Uub [Rn] 5f14 6d10 7s2 ununnilium 269 110 Uun [Rn] 5f14 6d8 7s2 unununium 272 111 Uuu [Rn] 5f14 6d9 7s2 Vanadium 50.9415 23 5, 4, 3, 2 3650 2163 V 6.11 [Ar] 3d3 4s2 1.22 1.63 1.34 446.7 8.35 20.8 6.74 0.489 30.7 Tungsten 183.85 74 6, 5, 4, 3, 2 5825 3695 W 19.3 [Xe] 4f14 5d4 6s2 1.3 2.36 1.41 422.58 9.53 35.4 7.98 0.13 174 Xenon 131.29 54 165.1 161.39 Xe 5.9 [Kr] 4d10 5s2 p6 1.31 2.6 1.24 12.64 42.9 2.3 12.13 0.158 0.00569 Yttrium 88.9059 39 3 3611 1795 Y 4.47 [Kr] 4d1 5s2 1.62 1.22 1.78 363.3 19.8 17.5 6.38 0.3 17.2 Ytterbium 173.04 70 3, 2 1469 1092 Yb 6.97 [Xe] 4f14 6s2 1.7 1.1 1.94 128 24.8 7.7 6.254 0.155 34.9 Zinc 65.39 30 2 1180 692.73 Zn 7.13 [Ar] 3d10 4s2 1.25 1.65 1.38 115.3 9.2 7.38 9.394 0.388 116 Zirconium 91.224 40 4 4682 2128 Zr 6.51 [Kr] 4d2 5s2 1.45 1.33 1.6 590.5 14.1 21 6.84 0.278 22.7