1A 1 |
8A 18 |
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2.20 1 H hydrogen 1.01 |
2A 2 |
The Periodic Table of the Elements | 3A 13 |
4A 14 |
5A 15 |
6A 16 |
7A 17 |
2 He helium 4.00 |
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0.98 3 Li lithium 6.94 |
1.57 4 Be beryllium 9.01 |
2.04 5 B boron 10.81 |
2.55 6 C carbon 12.01 |
3.04 7 N nitrogen 14.01 |
3.44 8 O oxygen 16.00 |
3.98 9 F fluorine 19.00 |
10 Ne neon 20.18 |
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0.93 11 Na sodium 22.99 |
1.31 12 Mg magnesium 24.31 |
3B 3 |
4B 4 |
5B 5 |
6B 6 |
7B 7 |
8B 8 |
8B 9 |
8B 10 |
1B 11 |
2B 12 |
1.61 13 Al aluminum 26.98 |
1.90 14 Si silicon 28.09 |
2.19 15 P phosphorus 30.97 |
2.58 16 S sulfur 32.07 |
3.16/p> 17 Cl chlorine 35.45 |
18 Ar argon 39.95 |
0.82 19 K potassium 39.10 |
1.0 20 Ca calcium 40.08 |
1.36 21 Sc scandium 44.96 |
1.54 22 Ti titanium 47.87 |
1.63 23 V vanadium 50.94 |
1.66 24 Cr chromium 52.00 |
1.55 25 Mn manganese 54.94 |
1.83 26 Fe iron 55.85 |
1.88 27 Co cobalt 58.93 |
1.91 28 Ni nickel 58.69 |
1.90 29 Cu copper 63.55 |
1.65 30 Zn zinc 65.41 |
1.81 31 Ga gallium 69.72 |
2.01 32 Ge germanium 72.64 |
2.18 33 As arsenic 74.92 |
2.55 34 Se selenium 78.96 |
2.96 35 Br bromine 79.90 |
3.0 36 Kr krypton 83.80 |
0.82 37 Rb rubidium 85.47 |
0.95 38 Sr strontium 87.62 |
1.22 39 Y yttrium 88.91 |
1.33 40 Zr zirconium 91.22 |
1.6 41 Nb niobium 92.91 |
2.16 42 Mo molybdenum 95.94 |
1.9 43 Tc technetium (98) |
2.2 44 Ru ruthenium 101.07 |
2.28 45 Rh rhodium 102.91 |
2.2 46 Pd palladium 106.42 |
1.93 47 Ag silver 107.87 |
1.69 48 Cd cadmium 112.41 |
1.78 49 In indium 114.82 |
1.96 50 Sn tin 118.71 |
2.05 51 Sb antimony 121.76 |
2.1 52 Te tellurium 127.60 |
2.66 53 I iodine 126.90 |
2.6 54 Xe xenon 131.29 |
0.79 55 Cs cesium 132.91 |
0.89 56 Ba barium 137.33 |
1.10 57 La lanthanum 138.91 |
1.3 72 Hf hafnium 178.49 |
1.5 73 Ta tantalum 180.95 |
2.36 74 W tungsten 183.84 |
1.9 75 Re rhenium 186.21 |
2.2 76 Os osmium 190.23 |
2.20 77 Ir iridium 192.22 |
2.28 78 Pt platinum 195.08 |
2.54 79 Au gold 196.97 |
2.0 80 Hg mercury 200.59 |
1.62 81 Tl thallium 204.38 |
2.33 82 Pb lead 207.20 |
2.02 83 Bi bismuth 208.98 |
2.0 84 Po polonium (209) |
2.2 85 At astatine (210) |
86 Rn radon (222) |
0.7 87 Fr francium (223) |
0.9 88 Ra radium (226) |
1.1 89 Ac actinium (227) |
1.8 104 Rf rutherfordium (261) |
1.8 105 Db dubnium (262) |
1.8 106 Sg seaborgium (266) |
1.8 107 Bh bohrium (264) |
1.8 108 Hs hassium (277) |
1.8 109 Mt meitnerium (268) |
1.8 110 Ds darmstadtium (281) |
1.8 111 Rg roentgenium (272) |
1.8 112 Cn copernicium (285) |
Electronegativity values are shown in green |
1.12 58 Ce cerium 140.12 |
1.13 59 Pr praseodymium 140.91 |
1.14 60 Nd neodymium 144.24 |
61 Pm promethium (145) |
1.17 62 Sm samarium 150.36 |
63 Eu europium 151.96 |
1.20 64 Gd gadolinium 157.25 |
65 Tb terbium 158.93 |
1.22 66 Dy dysprosium 162.50 |
1.23 67 Ho holmium 164.93 |
1.24 68 Er erbium 167.26 |
1.25 69 Tm thulium 168.93 |
70 Yb ytterbium 173.04 |
1.27 71 Lu lutetium 174.97 |
1.3 90 Th thorium 232.04 |
1.5 91 Pa protactinium 231.04 |
1.38 92 U uranium 238.03 |
1.36 93 Np neptunium (237) |
1.28 94 Pu plutonium (244) |
1.3 95 Am americium (243) |
1.3 96 Cm curium (247) |
1.3 97 Bk berkelium (247) |
1.3 98 Cf californium (251) |
1.3 99 Es einsteinium (252) |
1.3 100 Fm fermium (257) |
1.3 101 Md mendelevium (258) |
1.3 102 No nobelium (259) |
103 Lr lawrencium (262) |