ChemData

Symbol A  B F Group

Name

atomic #

atomic mass

 Notes

   mp 

C

bp

C

density g/mL

 EN First IE kJ/mol Covalent Atomic Radius pm
H A 1 hydrogen 1 1.008   -259.1 -252.9 6.99E-05 2.1 1312 37
He A 18 helium 2 4.003   -272.2 -268.9 1.79E-04   2377 32
Li A 1 lithium 3 6.941   180.5 1342.0 5.43E-01 1 520 134
Be A 2 beryllium 4 9.012   1278 2970.0 1.85E+00 1.5 899 90
B A 13 boron 5 10.81 sublimes 2079 2550.0 2.34E+00 2 801 82
C A 14 carbon 6 12.01 graphite

3367

 4827.0 2.25E+00 2.5 1086 77
N A 15 nitrogen 7 14.01   -209.9 -195.8 1.25E-03 3 1420 75
O A 16 oxygen 8 16   -218.4 -183.0 1.43E-03 3.5 1314 73
F A 17 fluorine 9 19   -219.8 -188.1 1.70E-03 4 1681 72
Ne A 18 neon 10 20.18   -248 -248.7 9.00E-04   2088 71
Na A 1 sodium 11 22.99   97.8 883.0 9.71E-01 0.9 495 154
Mg A 2 magnesium 12 24.31   649 1090.0 1.74E+00 1.2 735 130
Al A 13 aluminum 13 26.98   660 2467.0 2.70E+00 1.5 580 118
Si A 14 silicon 14 28.09   1410 2355.0 2.33E+00 1.8 780 111
P A 15 phosphorus 15 30.97 white 44.1 280.0 1.82E+00 2.1 1060 106
S A 16 sulfur 16 32.07 yellow 112.8 444.7 2.07E+00 2.5 1005 102
Cl A 17 chlorine 17 35.45   -101 -34.6 3.21E-03 3 1255 99
Ar A 18 argon 18 39.95   -189.2 -185.7 1.78E-03   1527 97
K A 1 potassium 19 39.1   63.25 760.0 8.60E-01 0.8 419 196
Ca A 2 calcium 20 40.08   839 1484.0 1.55E+00 1 590 174
Sc B 3 scandium 21 44.96   1541 2832.0 2.99E+00 1.3 633 144
Ti B 4 titanium 22 47.88   1660 3287.0 4.54E+00 1.5 659 136
V B 5 vanadium 23 50.94   1890 3380.0 6.11E+00 1.6 651 125
Cr B 6 chromium 24 52   1857 2672.0 7.19E+00 1.6 653 127
Mn B 7 manganese 25 54.94   1244 1962.0 7.43E+00 1.5 717 139
Fe B 8 iron 26 55.85   1535 2750.0 7.86E+00 1.8 763 125
Co B 9 cobalt 27 58.93   1495 2870.0 8.90E+00 1.8 761 126
Ni B 10 nickel 28 58.69   1453 2730.0 8.90E+00 1.8 737 121
Cu B 11 copper 29 63.55   1083 2567.0 8.96E+00 1.8 746 138
Zn B 12 zinc 30 65.38   419.6 906.0 7.13E+00 1.6 906 131
Ga A 13 gallium 31 69.72   29.8 2403.0 5.90E+00 1.6 579 126
Ge A 14 germanium 32 72.59   947.4 2830.0 5.32E+00 1.8 762 122
As A 15 arsenic 33 74.92 sublimes (28 atm) 817 617.0 5.73E+00 2 947 119
Se A 16 selenium 34 78.96   217 685.0 4.79E+00 2.4 941 116
Br A 17 bromine 35 79.9   -7.2 58.8 3.12E+00 2.8 1140 114
Kr A 18 krypton 36 83.8   -157 -152.0 3.74E-03   1356 110
Rb A 1 rubidium 37 85.47   38.9 686.0 1.53E+00 0.8 409 211
Sr A 2 strontium 38 87.62   769 1384.0 2.54E+00 1 550 192
Y B 3 yttrium 39 88.91   1523 3337.0 4.47E+00 1.3 600 162
Zr B 4 zirconium 40 91.22   1852 4377.0 6.51E+00 1.4 640 148
Nb B 5 niobium 41 92.91   2468 4742.0 8.57E+00 1.6 652 137
Mo B 6 molybdenum 42 95.94   2617 4612.0 1.02E+01 1.8 684 145
Tc B 7 technetium 43 98   2172 4877.0 1.15E+01 1.9 702 156
Ru B 8 ruthenium 44 101.1   2310 3900.0 1.24E+01 2.2 710 126
Rh B 9 rhodium 45 102.9   1966 3727.0 1.24E+01 2.2 720 135
Pd B 10 palladium 46 106.4   1554 3140.0 1.20E+01 2.2 804 131
Ag B 11 silver 47 107.9   962 2212.0 1.05E+01 1.9 731 153
Cd B 12 cadmium 48 112.4   320.9 765.0 8.65E+00 1.7 868 148
In A 13 indium 49 114.8   156.6 2080.0 7.31E+00 1.7 558 144
Sn A 14 tin 50 118.7   232 2270.0 7.31E+00 1.8 709 141
Sb A 15 antimony 51 121.8   631 1950.0 6.69E+00 1.9 834 138
Te A 16 tellurium 52 127.6   449.5 989.8 6.24E+00 2.1 869 135
I A 17 iodine 53 126.9   113.5 184.0 4.93E+00 2.5 1008 133
Xe A 18 xenon 54 131.3   -111.8 -107.1 5.89E-03   1176 131
Cs A 1 cesium 55 132.9   28.4 669.0 1.87E+00 0.7 382 225
Ba A 2 barium 56 137.3   725 1640.0 3.50E+00 0.9 508 198
La B 3 lanthanum 57 138.9   920 3454.0 6.15E+00 1.1 538 169
Ce F   cerium 58 140.1   798 3257.0 6.66E+00 1.1 534  
Pr F   praseodymium 59 140.9   931 3017.0 6.77E+00 1.1 527  
Nd F   neodymium 60 144.2   1016 3127.0 7.00E+00 1.2 533  
Pm F   promethium 61 145   1042 3000.0 7.26E+00   540  
Sm F   samarium 62 150.4   1074 1794.0 7.52E+00 1.2 545  
Eu F   europium 63 152   822 1529.0 5.24E+00   547  
Gd F   gadolinium 64 157.3   1313 3273.0 7.90E+00 1.1 593  
Tb F   terbium 65 158.9   1365 3230.0 8.23E+00 1.2 566  
Dy F   dysprosium 66 162.5   1412 2567.0 8.55E+00   573  
Ho F   holmium 67 164.9   1474 2700.0 8.80E+00 1.2 581  
Er F   erbium 68 167.3   1529 2868.0 9.07E+00 1.2 589  
Tm F   thulium 69 168.9   1545 1950.0 9.32E+00 1.2 597  
Yb F   ytterbium 70 173   819 1196.0 6.97E+00 1.1 603  
Lu F   lutetium 71 175   1663 3402.0 9.84E+00 1.2 524  
Hf B 4 hafnium 72 178.5   2227 4600.0 1.33E+01 1.3 659  
Ta B 5 tantalum 73 180.9   2996 5425.0 1.66E+01 1.5 761  
W B 6 tungsten 74 183.9   3410 5660.0 1.93E+01 1.7 770  
Re B 7 rhenium 75 186.2   3180 5600.0 2.10E+01 1.9 760  
Os B 8 osmium 76 190.2   3045 5030.0 2.26E+01 2.2 840  
Ir B 9 iridium 77 192.2   2410 4130.0 2.24E+01 2.2 880  
Pt B 10 platinum 78 195.1   1772 3827.0 2.14E+01 2.2 870  
Au B 11 gold 79 197   1064 3080.0 1.93E+01 2.4 890  
Hg B 12 mercury 80 200.6   -38.9 357.0 1.35E+01 1.9 1007  
Tl A 13 thallium 81 204.4   303 1457.0 1.19E+01 1.8 589 171
Pb A 14 lead 82 207.2   327.5 1740.0 1.14E+01 1.8 723 175
Bi A 15 bismuth 83 209   271 1560.0 9.75E+00 1.9 711 170
Po A 16 polonium 84 210   254 962.0 9.32E+00 2 821 176
At A 17 astatine 85 210   302 337.0   2.2 920 142
Rn A 18 radon 86 222   -71 -61.8 9.73E-03   1042 140
Fr A 1 francium 87 223   27 677.0   0.7 380  
Ra A 2 radium 88 226   700 1140.0 5.00E+00 0.9 509  
Ac B 3 actinium 89 227   1050 3200.0 1.01E+01 1.1 499  
Th F   thorium 90 232   1750 4790.0 1.17E+01 1.3 587  
Pa F   protactinium 91 231   1570 4000.0 1.54E+01 1.5 568  
U F   uranium 92 238   1132 3818.0 1.90E+01 1.7 598  
Np F   neptunium 93 237   640 3900.0 2.02E+01 1.3 605  
Pu F   plutonium 94 244   641 3232.0 1.98E+01 1.3 585  
Am F   americium 95 243   994 2607.0 1.37E+01 1.3 578  
Cm F   curium 96 247   1340   1.35E+01   581  
Bk F   berkelium 97 247   986   1.40E+01   601  
Cf F   californium 98 251           608  
Es B   einsteinium 99 252           619  
Fm B   fermium 100 257           627  
Md B   mendelevium 101 258           635  
No B   nobelium 102 259           642  
Lr B   lawrencium 103 260              
Rf B 4 Rutherfordium 104 261              
Ha B 5 Hahnium 105 262              
Sg B 6 Seaborgium 106 263              
Uns B 7 Unnilseptium 107 262              
Uno B 8 Unniloctium 108 265              
Une B 9 Unnilennium 109 266              

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