Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
Period | ||||||||||||||||||
1 | 1 H 64.0 | 2 He 16.1 | ||||||||||||||||
2 | 3 Li 9.29 | 4 Be 7.15 | 5 B 5.97 | 6 C 5.37 | 7 N 4.60 | 8 O 4.03 | 9 F 3.39 | 10 Ne 3.20 | ||||||||||
3 | 11 Na 2.80 | 12 Mg 2.65 | 13 Al 2.39 | 14 Si 2.30 | 15 P 2.08 | 16 S 2.01 | 17 Cl 1.82 | 18 Ar 1.61 | ||||||||||
4 | 19 K 1.65 | 20 Ca 1.60 | 21 Sc 1.434 | 22 Ti 1.35 | 23 V 1.27 | 24 Cr 1.24 | 25 Mn 1.17 | 26 Fe 1.15 | 27 Co 1.09 | 28 Ni 1.10 | 29 Cu 1.01 | 30 Zn 0.986 | 31 Ga 0.924 | 32 Ge 0.887 | 33 As 0.860 | 34 Se 0.816 | 35 Br 0.807 | 36 Kr 0.769 |
5 | 37 Rb 0.754 | 38 Sr 0.736 | 39 Y 0.725 | 40 Zr 0.707 | 41 Nb 0.694 | 42 Mo 0.672 | 43 Tc 0.658 | 44 Ru 0.638 | 45 Rh 0.627 | 46 Pd 0.606 | 47 Ag 0.598 | 48 Cd 0.574 | 49 In 0.562 | 50 Sn 0.543 | 51 Sb 0.530 | 52 Te 0.505 | 53 I 0.508 | 54 Xe 0.491 |
6 | 55 Cs 0.485 | 56 Ba 0.470 | * | 72 Hf 0.361 | 73 Ta 0.356 | 74 W 0.350 | 75 Re 0.346 | 76 Os 0.339 | 77 Ir 0.335 | 78 Pt 0.331 | 79 Au 0.327 | 80 Hg 0.321 | 81 TI 0.315 | 82 Pb 0.311 | 83 Bi 0.309 | 84 Po 0.309 | 85 At 0.307 | 86 Rn 0.290 |
7 | 87 Fr 0.289 | 88 Ra 0.285 | ** | 104 Rf 0.241 | 105 Db 0.241 | 106 Sg 0.238 | 107 Bh 0.237 | 108 Hs 0.239 | 109 Mt 0.234 | 110 Ds 0.229 | 111 Rg 0.226 | 112 Cn 0.226 | 113 Uut 0.227 | 114 Fl 0.223 | 115 Uup 0.224 | 116 Lv 0.220 | 117 Uus 0.219 | 118 Uuo 0.219 |