1 | # Covalent radius of each element in Angstroem from CSD (binding is: [Rcov(A)+Rcov(B)-t,Rcov(A)+Rcov(B)+t] with t = 0.4A
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2 | #Element Name Symbol Period Group Block Atomic Number AtomicWeight Covalent Radius vdW Radius
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3 | Hydrogen H 1 1 s 1 1.008 0.23 1.09
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4 | Helium He 1 18 p 2 4.003 1.50 1.40
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5 | Lithium Li 2 1 s 3 6.941 0.68 1.82
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6 | Beryllium Be 2 2 s 4 9.012 0.35 2.00
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7 | Boron B 2 13 p 5 10.811 0.83 2.00
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8 | Carbon C 2 14 p 6 12.011 0.68 1.70
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9 | Nitrogen N 2 15 p 7 14.007 0.68 1.55
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10 | Oxygen O 2 16 p 8 15.999 0.68 1.52
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11 | Fluorine F 2 17 p 9 18.998 0.64 1.47
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12 | Neon Ne 2 18 p 10 20.180 1.50 1.54
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13 | Sodium Na 3 1 s 11 22.991 0.97 2.27
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14 | Magnesium Mg 3 2 s 12 24.305 1.10 1.73
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15 | Aluminium Al 3 13 p 13 26.982 1.35 2.00
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16 | Silicon Si 3 14 p 14 28.086 1.20 2.10
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17 | Phosphorus P 3 15 p 15 30.974 1.05 1.80
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18 | Sulphur S 3 16 p 16 32.066 1.02 1.80
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19 | Chlorine Cl 3 17 p 17 35.453 0.99 1.75
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20 | Argon Ar 3 18 p 18 39.948 1.51 1.88
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21 | Potassium K 4 1 s 19 39.098 1.33 2.75
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22 | Calcium Ca 4 2 s 20 40.078 0.99 2.00
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23 | Scandium Sc 4 3 d 21 44.956 1.44 2.00
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24 | Titanium Ti 4 4 d 22 47.867 1.47 2.00
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25 | Vanadium V 4 5 d 23 50.942 1.33 2.00
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26 | Chromium Cr 4 6 d 24 51.996 1.35 2.00
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27 | Manganese Mn 4 7 d 25 54.938 1.35 2.00
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28 | Iron Fe 4 8 d 26 55.845 1.34 2.00
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29 | Cobalt Co 4 9 d 27 58.933 1.33 2.00
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30 | Nickel Ni 4 10 d 28 58.693 1.50 1.63
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31 | Copper Cu 4 11 d 29 63.546 1.52 1.40
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32 | Zinc Zn 4 12 d 30 65.390 1.45 1.39
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33 | Gallium Ga 4 13 p 31 69.723 1.22 1.87
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34 | Germanium Ge 4 14 p 32 72.610 1.17 2.00
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35 | Arsenic As 4 15 p 33 74.922 1.21 1.85
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36 | Selenium Se 4 16 p 34 78.960 1.22 1.90
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37 | Bromine Br 4 17 p 35 79.904 1.21 1.85
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38 | Krypton Kr 4 18 p 36 83.800 1.50 2.02
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39 | Rubidium Rb 5 1 s 37 85.468 1.47 2.00
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40 | Strontium Sr 5 2 s 38 87.620 1.12 2.00
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41 | Yttrium Y 5 3 d 39 88.906 1.78 2.00
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42 | Zirconium Zr 5 4 d 40 91.224 1.56 2.00
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43 | Niobium Nb 5 5 d 41 92.906 1.48 2.00
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44 | Molybdenum Mo 5 6 d 42 95.940 1.47 2.00
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45 | Technetium Tc 5 7 d 43 98 1.35 2.00
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46 | Ruthenium Ru 5 8 d 44 101.070 1.40 2.00
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47 | Rhodium Rh 5 9 d 45 102.906 1.45 2.00
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48 | Palladium Pd 5 10 d 46 106.420 1.50 1.63
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49 | Silver Ag 5 11 d 47 107.868 1.59 1.72
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50 | Cadmium Cd 5 12 d 48 112.411 1.69 1.58
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51 | Indium In 5 13 p 49 114.818 1.63 1.93
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52 | Tin Sn 5 14 p 50 118.71 1.46 2.17
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53 | Antimony Sb 5 15 p 51 121.760 1.46 2.00
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54 | Tellurium Te 5 16 p 52 127.600 1.47 2.06
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55 | Iodine I 5 17 p 53 126.904 1.40 1.98
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56 | Xenon Xe 5 18 p 54 131.290 1.50 2.16
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57 | Caesium Cs 6 1 s 55 132.905 1.67 2.00
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58 | Barium Ba 6 2 s 56 137.327 1.34 2.00
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59 | Lutetium Lu 6 3 d 71 174.967 1.72 2.00
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60 | Hafnium Hf 6 4 d 72 178.490 1.57 2.00
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61 | Tantalum Ta 6 5 d 73 180.948 1.43 2.00
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62 | Tungsten W 6 6 d 74 183.840 1.37 2.00
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63 | Rhenium Re 6 7 d 75 186.207 1.35 2.00
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64 | Osmium Os 6 8 d 76 190.230 1.37 2.00
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65 | Iridium Ir 6 9 d 77 192.217 1.32 2.00
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66 | Platinum Pt 6 10 d 78 195.078 1.50 1.72
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67 | Gold Au 6 11 d 79 196.967 1.50 1.66
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68 | Mercury Hg 6 12 d 80 200.590 1.70 1.55
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69 | Thallium Tl 6 13 p 81 204.383 1.55 1.96
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70 | Lead Pb 6 14 p 82 207.200 1.54 2.02
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71 | Bismuth Bi 6 15 p 83 208.980 1.54 2.00
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72 | Polonium Po 6 16 p 84 210 1.68 2.00
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73 | Astatine At 6 17 p 85 210 1.21 2.00
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74 | Radon Rn 6 18 p 86 222 1.50 2.00
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75 | Cerium Ce 6Lan 19 f 58 140.116 1.83 2.00
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76 | Dysprosium Dy 6Lan 19 f 66 162.500 1.75 2.00
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77 | Erbium Er 6Lan 19 f 68 167.260 1.73 2.00
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78 | Europium Eu 6Lan 19 f 63 151.964 1.99 2.00
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79 | Gadolinium Gd 6Lan 19 f 64 157.250 1.79 2.00
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80 | Holmium Ho 6Lan 19 f 67 164.930 1.74 2.00
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81 | Lanthanum La 6Lan 19 f 57 138.906 1.87 2.00
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82 | Neodymium Nd 6Lan 19 f 60 144.240 1.81 2.00
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83 | Promethium Pm 6Lan 19 f 61 145 1.80 2.00
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84 | Praseodymium Pr 6Lan 19 f 59 140.908 1.82 2.00
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85 | Samarium Sm 6Lan 19 f 62 150.360 1.80 2.00
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86 | Terbium Tb 6Lan 19 f 65 158.925 1.76 2.00
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87 | Thulium Tm 6Lan 19 f 69 168.934 1.72 2.00
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88 | Ytterbium Yb 6Lan 19 f 70 173.040 1.94 2.00
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89 | Francium Fr 7 1 s 87 223 1.50 2.00
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90 | Radium Ra 7 2 s 88 226 1.90 2.00
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91 | Lawrencium Lr 7 3 d 103 262 1.50 2.00
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92 | Rutherfordium Rf 7 4 d 104 261 1.50 2.00
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93 | Dubnium Db 7 5 d 105 262 1.50 2.00
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94 | Seaborgium Sg 7 6 d 106 266 1.50 2.00
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95 | Bohrium Bh 7 7 d 107 264 1.50 2.00
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96 | Hassium Hs 7 8 d 108 269 1.50 2.00
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97 | Meitnerium Mt 7 9 d 109 268 1.50 2.00
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98 | Darmstadtium Ds 7 10 d 110 271 1.50 2.00
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99 | Actinium Ac 7Act 20 f 89 227 1.88 2.00
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100 | Americium Am 7Act 20 f 95 243 1.51 2.00
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101 | Berkelium Bk 7Act 20 f 97 247 1.54 2.00
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102 | Californium Cf 7Act 20 f 98 251 1.83 2.00
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103 | Curium Cm 7Act 20 f 96 247 0.99 2.00
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104 | Einsteinium Es 7Act 20 f 99 252 1.50 2.00
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105 | Fermium Fm 7Act 20 f 100 257 1.50 2.00
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106 | Mendelevium Md 7Act 20 f 101 258 1.50 2.00
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107 | Nobelium No 7Act 20 f 102 259 1.50 2.00
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108 | Neptunium Np 7Act 20 f 93 237 1.55 2.00
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109 | Protactinium Pa 7Act 20 f 91 231.036 1.61 2.00
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110 | Plutonium Pu 7Act 20 f 94 244 1.53 2.00
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111 | Thorium Th 7Act 20 f 90 232.038 1.79 2.00
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112 | Uranium U 7Act 20 f 92 238.029 1.58 1.86
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