# atomic_radius symbol atomic_volume # covalent_radius boiling_pt name # atomic_number melting_pt # atomic_mass density # ------------------------------------------------------------------------------------------------------------------------ 0.79 0.32 1 1.00794 H 20.268 14.025 0.0899 14.4 Hydrogen 0.49 0.93 2 4.002602 He 4.215 0.95 0.1787 0.0 Helium 2.05 1.23 3 6.941 Li 1615 453.7 0.53 13.10 Lithium 1.40 0.90 4 9.012182 Be 2745 1560.0 1.85 5.0 Beryllium 1.17 0.82 5 10.811 B 4275 2300.0 2.34 4.6 Boron 0.91 0.77 6 12.011 C 4470.0 4100.0 2.62 4.58 Carbon 0.75 0.75 7 14.00674 N 77.35 63.14 1.251 17.3 Nitrogen 0.65 0.73 8 15.9994 O 90.18 50.35 1.429 14.0 Oxygen 0.57 0.72 9 18.9984032 F 84.95 53.48 1.696 17.1 Fluorine 0.51 0.71 10 20.1797 Ne 27.096 24.553 0.901 16.7 Neon 2.23 1.54 11 22.989768 Na 1156 371.0 0.97 23.7 Sodium 1.72 1.36 12 24.3050 Mg 1363 922 1.74 13.97 Magnesium 1.82 1.18 13 26.981539 Al 2793 933.25 2.70 10.0 Aluminum 1.46 1.11 14 28.0855 Si 3540.0 1685 2.33 12.1 Silicon 1.23 1.06 15 30.97362 P 550.0 317.30 1.82 17.0 Phosphorus 1.09 1.02 16 32.066 S 717.75 388.36 2.07 15.5 Sulfur 0.97 0.99 17 35.4527 Cl 239.1 172.16 3.17 22.7 Chlorine 0.88 0.98 18 39.948 Ar 87.30 83.81 1.784 28.5 Argon 2.77 2.03 19 39.0983 K 1032 336.35 0.86 45.46 Potassium 2.23 1.91 20 40.078 Ca 1757 1112 1.55 29.9 Calcium 2.09 1.62 21 44.955910 Sc 3104 1812 3.0 15.0 Scandium 2.00 1.45 22 47.88 Ti 3562 1943 4.50 10.64 Titanium 1.92 1.34 23 50.9415 V 3682 2175 5.8 8.78 Vanadium 1.85 1.18 24 51.9961 Cr 2945 2130.0 7.19 7.23 Chromium 1.79 1.17 25 54.93085 Mn 2335 1517 7.43 1.39 Manganese 1.72 1.17 26 55.847 Fe 3135 1809 7.86 7.1 Iron 1.67 1.16 27 58.93320 Co 3201 1768 8.90 6.7 Cobalt 1.62 1.15 28 58.69 Ni 3187 1726 8.90 6.59 Nickel 1.57 1.17 29 63.546 Cu 2836 1357.6 8.96 7.1 Copper 1.53 1.25 30 65.39 Zn 1180.0 692.73 7.14 9.2 Zinc 1.81 1.26 31 69.723 Ga 2478 302.90 5.91 11.8 Gallium 1.52 1.22 32 72.61 Ge 3107 1210.4 5.32 13.6 Germanium 1.33 1.20 33 74.92159 As 876 1081 5.72 13.1 Arsenic 1.22 1.16 34 78.96 Se 958 494 4.80 16.45 Selenium 1.12 1.14 35 79.904 Br 332.25 265.90 3.12 23.5 Bromine 1.03 1.12 36 83.80 Kr 119.80 115.78 3.74 38.9 Krypton 2.98 2.16 37 85.4678 Rb 961 312.64 1.53 55.9 Rubidium 2.45 1.91 38 87.62 Sr 1650.0 1041 2.6 33.7 Strontium 2.27 1.62 39 88.90585 Y 3611 1799 4.5 19.8 Yttrium 2.16 1.45 40 91.224 Zr 4682 2125 6.49 14.1 Zirconium 2.09 1.34 41 92.90638 Nb 5017 2740.0 8.55 10.87 Niobium 2.01 1.30 42 95.94 Mo 4912 2890.0 10.2 9.4 Molybdenum 1.95 1.27 43 98 Tc 4538 2473 11.5 8.5 Technetium 1.89 1.25 44 101.07 Ru 4423 2523 12.2 8.3 Ruthenium 1.83 1.25 45 102.90550 Rh 3970.0 2236 12.4 8.3 Rhodium 1.79 1.28 46 106.42 Pd 3237 1825 12.0 8.9 Palladium 1.75 1.34 47 107.8682 Ag 2436 1234 10.5 10.3 Silver 1.71 1.48 48 112.411 Cd 1040.0 594.18 8.65 13.1 Cadmium 2.00 1.44 49 114.82 In 2346 429.76 7.31 15.7 Indium 1.72 1.41 50 118.710 Sn 2876 505.06 7.30 16.3 Tin 1.53 1.40 51 121.75 Sb 1860.0 904 6.68 18.23 Antimony 1.42 1.36 52 127.60 Te 1261 722.65 6.24 20.5 Tellurium 1.32 1.33 53 126.90447 I 458.4 386.7 4.92 25.74 Iodine 1.24 1.31 54 131.29 Xe 165.03 161.36 5.89 37.3 Xenon 3.34 2.35 55 132.90543 Cs 944 301.55 1.87 71.07 Cesium 2.78 1.98 56 137.327 Ba 2171 1002 3.5 39.24 Barium 2.74 1.69 57 138.9055 La 3730.0 1193 6.7 20.73 Lanthanum 2.16 1.44 72 178.49 Hf 4876 2500.0 13.1 13.6 Hafnium 2.09 1.34 73 180.9479 Ta 5731 3287 16.6 10.90 Tantalum 2.02 1.30 74 183.85 W 5828 3680.0 19.3 9.53 Tungsten 1.97 1.28 75 186.207 Re 5869 3453 21.0 8.85 Rhenium 1.92 1.26 76 190.2 Os 5285 3300.0 22.4 8.49 Osmium 1.87 1.27 77 192.22 Ir 4701 2716 22.5 8.54 Iridium 1.83 1.30 78 195.08 Pt 4100.0 2045 21.4 9.10 Platinum 1.79 1.34 79 196.96654 Au 3130.0 1337.58 19.3 10.2 Gold 1.76 1.49 80 200.59 Hg 630.0 234.28 13.53 14.82 Mercury 2.08 1.48 81 204.3833 Tl 1746 577 11.85 17.2 Thallium 1.81 1.47 82 207.2 Pb 2023 600.6 11.4 18.17 Lead 1.63 1.46 83 208.98037 Bi 1837 544.52 9.8 21.3 Bismuth 1.53 1.46 84 209 Po 1235 527 9.4 22.23 Polonium 1.43 1.45 85 210.0 At 610.0 575 0.0 0.0 Astatine 1.34 1.43 86 222 Rn 211 202 9.91 50.5 Radon 3.50 2.50 87 223 Fr 950.0 300.0 0.0 0.0 Francium 3.00 2.40 88 226.025 Ra 1809 973 5 45.20 Radium 3.20 2.20 89 227.028 Ac 3473 1323 10.07 22.54 Actinium 2.70 1.65 58 140.115 Ce 3699 1071 6.78 20.67 Cerium 2.67 1.65 59 140.90765 Pr 3785 1204 6.77 20.8 Praseodymium 2.64 1.64 60 144.24 Nd 3341 1289 7.00 20.6 Neodymium 2.62 1.63 61 145 Pm 3785 1204 6.475 22.39 Promethium 2.59 1.62 62 150.36 Sm 2064 1345 7.54 19.95 Samarium 2.56 1.85 63 151.965 Eu 1870.0 1090.0 5.26 28.9 Europium 2.54 1.61 64 157.25 Gd 3539 1585 7.89 19.9 Gadolinium 2.51 1.59 65 158.92534 Tb 3496 1630.0 8.27 19.2 Terbium 2.49 1.59 66 162.50 Dy 2835 1682 8.54 19.0 Dysprosium 2.47 1.58 67 164.93032 Ho 2968 1743 8.80 18.7 Holmium 2.45 1.57 68 167.26 Er 3136 1795 9.05 18.4 Erbium 2.42 1.56 69 168.93421 Tm 2220.0 1818 9.33 18.1 Thulium 2.40 1.74 70 173.04 Yb 1467 1097 6.98 24.79 Ytterbium 2.25 1.56 71 174.967 Lu 3668 1936 9.84 17.78 Lutetium 3.16 1.65 90 232.0381 Th 5061 2028 11.7 19.9 Thorium 3.14 0.0 91 231.03588 Pa 0.0 0.0 15.4 15.0 Protactinium 3.11 1.42 92 238.0289 U 4407 1405 18.90 12.59 Uranium 3.08 0.0 93 237.048 Np 0.0 910.0 20.4 11.62 Neptunium 3.05 0.0 94 244 Pu 3503 913 19.8 12.32 Plutonium 3.02 0.0 95 243 Am 2880.0 1268 13.6 17.86 Americium 2.99 0.0 96 247 Cm 0.0 1340.0 13.511 18.28 Curium 2.97 0.0 97 247 Bk 0.0 0.0 0.0 0.0 Berkelium 2.95 0.0 98 251 Cf 0.0 900.0 0.0 0.0 Californium 2.92 0.0 99 252 Es 0.0 0.0 0.0 0.0 Einsteinium 2.90 0.0 100 257 Fm 0.0 0.0 0.0 0.0 Fermium 2.87 0.0 101 258 Md 0.0 0.0 0.0 0.0 Mendelevium 2.85 0.0 102 259 No 0.0 0.0 0.0 0.0 Nobelium 2.82 0.0 103 260.0 Lr 0.0 0.0 0.0 0.0 Lawrencium