1 H 14.025 20.268 2 He 0.95 4.22 3 Li 453.7 1615 4 Be 1560 2745 5 B 2300 4275 6 C 3773 5100 7 N 63.14 77.35 8 O 50.35 90.18 9 F 53.48 84.95 10 Ne 24.56 27.07 11 Na 371 1156 12 Mg 922 1363 13 Al 933.25 2793 14 Si 1685 3540 15 P 317.3 560 16 S 388.36 717.75 17 Cl 172.16 239.1 18 Ar 83.81 87.3 19 K 336.95 1032 20 Ca 1112 1757 21 Sc 1812 3104 22 Ti 1943 3562 23 V 2175 3682 24 Cr 2130 2945 25 Mn 1517 2335 26 Fe 1809 3135 27 Co 1768 3101 28 Ni 1726 3187 29 Cu 1357.6 2836 30 Zn 692.7 1180 31 Ga 302.9 2478 32 Ge 1210.4 3107 33 As 1081 876 34 Se 494 958 35 Br 265.9 332.25 36 Kr 115.78 119.8 37 Rb 312.64 961 38 Sr 1041 1650 39 Y 1799 3611 40 Zr 2125 4682 41 Nb 2740 5017 42 Mo 2890 4912 43 Tc 2473 4538 44 Ru 2523 4423 45 Rh 2236 3970 46 Pd 1825 3237 47 Ag 1234 2436 48 Cd 594.2 1040 49 In 429.76 2346 50 Sn 505 2876 51 Sb 904 1860 52 Te 722.65 1261 53 I 386.7 458.4 54 Xe 161.30 165.03 55 Cs 301.65 944 56 Ba 1002 2171 57 La 1193 3730 58 Ce 1071 3699 59 Pr 1300 3793 60 Nd 1269 3341 61 Pm 1373 3273 62 Sm 1345 2064 63 Eu 1090 1870 64 Gd 1585 3539 65 Tb 1630 3496 66 Dy 1682 3835 67 Ho 1743 2968 68 Er 1795 3136 69 Tm 1818 2220 70 Yb 1097 1467 71 Lu 1936 3068 72 Hf 2500 4876 73 Ta 3287 5731 74 W 3680 5828 75 Re 3453 5869 76 Os 3300 5285 77 Ir 2716 4701 78 Pt 2045 4100 79 Au 1337.6 3130 80 Hg 234.28 630 81 Tl 577 1746 82 Pb 600.6 2023 83 Bi 544.5 1837 84 Po 527 1235 85 At 575 610 86 Rn 202 211 87 Fr 300 950 88 Ra 973 2010 89 Ac 1323 3473 90 Th 2028 5061 91 Pa 2113 4300 92 U 1405 4407 93 Np 910 4273 94 Pu 912.5 3501 95 Am 1449 2880 96 Cm 1613 3383