Physical Properties  of the elements
Atomic number Symbol Name Molar mass Density Melting point Boiling point Electronegativity (Pauling) Molar heat capacity Enthalpy of fusion Enthalpy of vaporization Standard molar entropy 1st Ionization 2nd Ionization 3rd Ionization Atomic radius Ionic radius
1 H Hydrogen 1.0079 0.089 -259 -253 2.2 20.784 0.12 0.46 114.71 1310 78 154
2 He Helium 4 0.12 -269 20.786 0.021 0.082 126.15 2370 5259 128
3 Li Lithium 6.94 0.53 181 1347 1 24.77 4.6 134.7 29.12 519 7297 11810 157 58
4 Be Beryllium 9.01 1.85 1285 2470 1.6 16.44 9.8 308.8 9.5 900 1757 14849 112 27
5 B Boron 10.81 2.47 2030 3700 2 22.2 538.9 5.86 799 2427 3660 88 12
6 C Carbon 12.01 2.27 3700 2.6 8.527 105.1 710.9 5.74 1090 2352 4620 77 260
7 N Nitrogen 14.01 1.04 -210 -196 3 20.786 0.72 5.577 153.3 1400 2856 4577 74 171
8 O Oxygen 16 1.46 -218 -183 3.4 21.912 0.444 6.82 161.06 1310 3388 5300 66 140
9 F Fluorine 19 1.51 -220 -188 4 22.74 5.1 6.548 202.78 1680 3374 6050 64 133
10 Ne Neon 20.18 1.44 -249 -246 20.786 0.324 1.736 146.33 2080 3952 6122
11 Na Sodium 22.99 0.97 98 883 0.93 28.24 2.64 89.04 51.21 494 4562 6911 191 102
12 Mg Magnesium 24.31 1.74 650 1100 1.3 24.89 9.04 128.7 32.68 736 1450 7732 160 72
13 Al Aluminum 26.98 2.7 660 2350 1.6 24.35 10.67 293.72 28.33 577 1817 2744 143 53
14 Si Silicon 28.09 2.33 1410 2620 1.9 20 39.6 383.3 18.83 786 1577 3231 118 26
15 P Phosphorus 30.97 1.82 44 280 2.2 23.84 2.51 51.9 41.09 1011 1903 2912 110 212
16 S Sulfur 32.06 2.09 115 445 2.6 22.64 1.23 9.62 31.8 1000 2251 3361 104 184
17 Cl Chlorine 35.45 1.66 -101 -34 3.2 21.84 6.41 20.4033 165.2 1255 2296 3826 99 181
18 Ar Argon 39.95 1.66 -189 -186 20.786 1.21 6.53 154.84 1520 2665 3928 174
19 K Potassium 39.1 0.86 64 774 0.82 29.58 2.4 77.53 64.18 418 3051 4410 235 138
20 Ca Calcium 40.08 1.53 840 1490 1.3 25.31 9.33 149.95 41.42 590 1145 4910 197 100
21 Sc Scandium 44.96 2.99 1540 2800 1.4 15.9 304.8 631 1235 2389 164 83
22 Ti Titanium 47.9 4.51 1660 3300 1.5 20.9 428.9 658 1310 2651 147 80
23 V Vanadium 50.94 6.11 1920 3400 1.6 17.6 458.6 650 1414 2828 135 72
24 Cr Chromium 52 7.19 1860 2600 1.7 23.35 15.3 348.78 23.77 653 1592 2987 129 84
25 Mn Manganese 54.94 7.47 1250 2120 1.6 14.4 219.7 717 1509 3249 137 91
26 Fe Iron 55.85 7.87 1540 2760 1.8 25.1 14.9 351 27.28 759 1561 2957 128 82
27 Co Cobalt 58.93 8.8 1494 2900 1.9 15.2 382.4 760 1646 3232 125 82
28 Ni Nickel 58.71 8.91 1455 2150 1.9 17.6 371.8 737 1753 3392 125 78
29 Cu Copper 63.54 8.93 1083 2567 1.9 33.15 13 304.6 33.15 785 1958 3555 128 72
30 Zn Zinc 65.37 7.14 420 907 1.6 25.4 6.67 115.3 41.63 906 1733 3832 137 83
31 Ga Gallium 69.72 5.91 30 2070 1.6 5.59 256.1 577 1979 2963 153 62
32 Ge Germanium 72.59 5.32 937 2830 2 34.7 334.3 784 1537 3302 122 90
33 As Arsenic 74.92 5.78 613 2.2 24.64 27.7 31.9 35.1 947 1798 2734 121 222
34 Se Selenium 78.96 4.81 220 685 2.6 5.1 26.32 941 2044 2974 104 198
35 Br Bromine 79.91 3.12 -7 59 3 75.689 10.8 30 152.23 1140 2103 3500 114 196
36 Kr Krypton 83.8 3 -157 -153 20.786 1.64 9.05 164.08 1350 2349 3565 169
37 Rb Rubidium 85.47 1.53 39 688 0.82 2.2 69.2 402 2632 3900 250 149
38 Sr Strontium 87.62 2.58 770 1380 0.95 9.16 138.91 548 1064 4210 215 116
39 Y Yttrium 88.91 4.48 1510 3300 1.2 17.2 393.3 616 1181 1980 182 106
40 Zr Zirconium 91.22 6.51 1850 4400 1.3 23 581.6 660 1267 2218 160 109
41 Nb Niobium 92.91 8.58 2425 5000 1.6 27.2 696.6 664 1382 2416 147 74
42 Mo Molybdenum 95.94 10.22 2620 4830 2.2 27.6 594.1 685 1558 2621 140 92
43 Tc Technetium 98.91 11.5 2200 4600 1.9 23.81 585.22 702 1471 2850 135 95
44 Ru Ruthenium 101.07 12.36 2310 4100 2.2 23.7 567.8 711 1617 2747 134 77
45 Rh Rhodium 102.91 12.42 1963 3700 2.3 21.55 495.4 720 1743 2997 134 86
46 Pd Palladium 106.4 12 1554 3000 2.2 17.2 393.3 805 1875 3176 137 86
47 Ag Silver 107.87 10.5 962 2212 1.9 25.351 11.3 255.1 42.55 731 2072 3361 144 113
48 Cd Cadmium 112.4 8.65 321 765 1.7 25.98 6.11 99.87 51.76 868 1631 3615 152 103
49 In Indium 114.82 7.29 157 2050 1.8 3.27 226.4 556 1821 2704 167 72
50 Sn Tin 118.69 7.29 232 2720 2 26.99 7.2 290.4 707 1412 2943 158 93
51 Sb Antimony 121.75 6.69 631 1750 2.1 25.23 20.9 67.91 834 1794 2443 141 89
52 Te Tellurium 127.6 6.25 450 990 2.1 13.5 50.63 870 1795 2698 137 221
53 I Iodine 126.9 4.95 114 184 2.7 54.44 15.27 41.67 116.135 1008 1846 3199 133 220
54 Xe Xenon 131.3 3.56 -112 -108 2.6 20.786 3.1 12.65 169.68 1170 2045 3097 218 190
55 Cs Cesium 132.91 1.87 28 678 0.79 32.17 2.09 65.9 85.23 376 2420 3400 272 170
56 Ba Barium 137.34 3.59 710 1640 0.89 28.07 7.66 150.9 62.8 502 965 3619 224 136
57 La Lanthanum 138.91 6.17 920 2450 1.1 10.04 399.6 538 1067 1850 188 122
58 Ce Cerium 140.12 6.71 800 3000 1.1 8.87 313.8 527 1047 1949 183 107
59 Pr Praseodynium 140.91 6.78 935 3000 1.1 11.3 332.6 523 1018 2086 183 106
60 Nd Neodymium 144.24 7 1024 3100 1.1 7.113 283.7 530 1035 1936 182 104
61 Pm Promethium 146.92 7.22 1168 3300 12.6 536 1052 2150 181 106
62 Sm Samarium 150.35 7.54 1060 1600 1.2 10.9 191.6 543 1068 2260 180 111
63 Eu Europium 151.96 5.25 820 1450 10.5 175.7 547 1084 2403 204 112
64 Gd Gadolinium 157.25 7.87 1310 3000 1.2 15.5 311.7 592 1167 1990 180 97
65 Tb Terbium 158.92 8.27 1360 2500 16.3 391 565 1112 2114 178 93
66 Dy Dysprosium 162.5 8.53 1410 2600 1.2 17.2 293 572 1126 2200 177 91
67 Ho Holmium 164.93 8.8 1470 2300 1.2 17.2 251 581 1139 2204 177 89
68 Er Erbium 167.26 9.04 1520 2600 1.2 17.2 292.9 589 1151 2194 176 89
69 Tm Thulium 168.93 9.33 1550 2000 1.2 18.4 247 597 1163 2285 175 104
70 Yb Ytterbium 173.04 6.97 824 1500 9.2 159 603 1176 2415 194 113
71 Lu Lutetium 174.97 9.84 1700 3400 1.3 19.2 428 524 1340 2022 172 85
72 Hf Hafnium 178.49 13.28 2230 5300 1.3 25.5 661.1 72 642 1440 2250 159 84
73 Ta Tantalum 180.95 16.67 3000 5400 1.5 31.4 753.1 761 1500 2100 147 72
74 W Tungsten 183.85 19.3 3387 5420 2.4 35.2 799.1 770 1700 2300 141 68
75 Re Rhenium 186.2 21.02 3180 5600 1.9 33.1 707.1 760 1260 2510 137 72
76 Os Osmium 190.2 22.58 3030 5000 2.2 29.3 627.6 840 1600 2400 135 89
77 Ir Iridium 192.2 22.55 2447 4550 2.2 26.4 563.6 880 1680 2600 136 89
78 Pt Platinum 195.09 21.45 1772 3720 2.3 19.7 510.5 870 1791 2800 139 85
79 Au Gold 196.97 19.28 1064 2807 2.5 25.42 12.7 324.4 47.4 890 1980 2899 144 91
80 Hg Mercury 200.59 13.55 -39 357 2 27.983 2.331 59.15 76.02 1007 1810 3300 155 112
81 Tl Thallium 204.37 11.87 304 1460 2 4.31 162.1 590 1971 2878 171 88
82 Pb Lead 207.19 11.34 328 1760 2.3 26.44 5.121 179.4 64.81 716 1450 3082 175 132
83 Bi Bismuth 208.98 8.9 271 1650 2 25.52 10.48 179.1 56.74 703 1610 2466 182 96
84 Po Polonium 210 9.4 254 960 2 10 100.8 1037 1800 2700 167 65
85 At Astatine 210 300 350 2 23.8 1037 1600 2900 227
86 Rn Radon 222 4.4 -71 -62 2.7 18.1 1036
87 Fr Francium 223 27 677 0.7 400 2100 3100 270 180
88 Ra Radium 226.03 5 700 1500 0.9 7.15 136.8 509 979 3300 223 152
89 Ac Actinium 227.03 10.07 1230 3200 1.1 14.2 418 499 1145 1900 188 118
90 Th Thorium 232.04 11.73 1700 4500 1.3 19.2 543.9 587 1147 1978 180 101
91 Pa Protactinium 231.04 15.37 1200 4000 1.5 16.7 481 568 1129 1814 161 113
92 U Uranium 238.03 18.95 1135 4000 1.4 15.5 422.6 584 1438 1843 138 103
93 Np Neptunium 237.05 20.45 640 1.4 9.46 336.6 597 1129 1872 131 110
94 Pu Plutonium 239.05 19.81 640 3200 1.3 2.8 343.5 585 1129 2103 151 108
95 Am Americium 241.06 13.67 990 2600 1.3 14.4 284 578 1158 2161 184 107
96 Cm Curium 247.07 13.3 1340 1.3 387 581 1196 2045 119
97 Bk Berkelium 249.08 14.79 986 1.3 310 601 1187 2152 87
98 Cf Californium 251.08 1.3 26 196 608 1206 2277 117
99 Es Einsteinium 254.09 1.3 133 619 1216 2325 116
100 Fm Fermium 257.1 1.3 627 1225 2354 115
101 Md Mendelevium 258.1 1.3 635 1235 2451 114
102 No Nobelium 255 1.3 642 1254 2605 113
103 Lr Lawrencium 257 1.3 1428 2219 112
104 Rf Ruthefordium 262.22 2673 6073 490
105 Db Dubnium 262.11 640
106 Sg Seaborgium 263.12 730
107 Nh Nielsbohrium 262.12 660
108 Hs Hassium 265 750
109 Mt Meitnerium 266 840
110 Uun Ununnilium 269
111 Uuu Unununium 272
112 Uub Ununbium 277
113 Uut Ununtrium