Kovalenttinen säde
Taulukko

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| Ryhmä → | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |  |  |
|  | (I | II |  |  |  |  |  |  |  |  |  |  | III | IV | V | VI | VII | VIII) |  |  |
↓ Jakso:  
| 1 | 1 H 32  -  - |   |   |   | järjestysluku(Z) Alkuaine r1(pm)  r2(pm)  r3(pm) | järjestysluku(Z) Alkuaine r1(pm)  r2(pm)  r3(pm) | järjestysluku(Z) Alkuaine r1(pm)  r2(pm)  r3(pm) | järjestysluku(Z) Alkuaine r1(pm)  r2(pm)  r3(pm) |   |   |   |   |   |   |   |   |   | 2 He 46 - - |  |  |
| 2 | 3 Li 133 124 - | 4 Be 102 90 85 |   |   |   |   |   |   |   |   |   |   | 5 B  85 78 73 | 6 C 75 67 60 | 7 N  71 60 54 | 8 O  63 57 53 | 9 F  64 59 53 | 10 Ne  67 96 - |  |  |
| 3 | 11 Na  155 160 - | 12 Mg  139 132 127 |   |   |   |   |   |   |   |   |   |   | 13 Al  126 113 111 | 14 Si  116 107 102 | 15 P  111 102 94 | 16 S  103 94 95 | 17 Cl  99 95 93 | 18 Ar  96 107 96 |  |  |
| 4 | 19 K  196 193 - | 20 Ca  171 147 133 | 21 Sc  148 116 114 | 22 Ti  136 117 108 | 23 V  134 112 106 | 24 Cr  122 111 103 | 25 Mn  119 105 103 | 26 Fe  116 109 102 | 27 Co  111 103 96 | 28 Ni  110 101 101 | 29 Cu  112 115 120 | 30 Zn  118 120 - | 31 Ga  124 117 121 | 32 Ge  124 117 121 | 33 As  121 114 106 | 34 Se  116 107 107 | 35 Br  114 109 110 | 36 Kr  117 121 108 |  |  |
| 5 | 37 Rb  210 202 - | 38 Sr  185 157 139 | 39 Y  163 130 124 | 40 Zr  154 127 121 | 41 Nb  147 125 116 | 42 Mo  138 121 113 | 43 Tc  128 120 110 | 44 Ru  125 114 103 | 45 Rh  125 110 106 | 46 Pd  120 117 112 | 47 Ag  128 139 137 | 48 Cd  136 144 - | 49 In  142 136 146 | 50 Sn  140 130 132 | 51 Sb  140 133 127 | 52 Te  136 128 121 | 53 I  133 129 125 | 54 Xe  131 135 122 |  |  |
| 6 | 55 Cs  232 209 - | 56 Ba  196 161 149 | *  | 72 Hf  152 128 121 | 73 Ta  146 126 119 | 74 W  137 120 115 | 75 Re  131 119 110 | 76 Os  129 116 109 | 77 Ir  122 115 107 | 78 Pt  123 112 110 | 79 Au 124 121 123 | 80 Hg  133 142 - | 81 Tl  144 142 150 | 82 Pb  144 135 137 | 83 Bi  151 141 135 | 84 Po  145 135 129 | 85 At  147 138 138 | 86 Rn  142 145 133 |  |  |
| 7 | 87  Fr  223 218 - | 88 Ra  201 173 159 | **  | 104 Rf  157 140 131 | 105 Db  149 136 126 | 106 Sg  143 128 121 | 107 Bh  141 128 119 | 108 Hs  134 125 118 | 109 Mt  129 125 113 | 110 Ds  128 116 112 | 111 Rg  121 116 118 | 112 Cn  122 137 130 | 113 Nh  136 - - | 114 Fl  143 - - | 115 Mc  162 - - | 116 Lv  175 - - | 117 Ts  165 - - | 118 Og  157 - - |  |  |
 
| * Lantanoidit | * Lantanoidit | * Lantanoidit | * Lantanoidit | 57 La  180 139 139 | 58 Ce  163 137 131 | 59 Pr  176 138 128 | 60 Nd  174 137   | 61 Pm  173 135   | 62 Sm  172 134   | 63 Eu  168 134   | 64 Gd  169 135 132 | 65 Tb  168 135   | 66 Dy  167 133   | 67 Ho  166 133   | 68 Er  165 133   | 69 Tm  164 131   | 70 Yb  170 129   | 71 Lu  162 131 131 |  |  |
| ** Aktinoidit | ** Aktinoidit | ** Aktinoidit | ** Aktinoidit | 89 Ac  186 153 140 | 90 Th  175 143 136 | 91 Pa  169 138 129 | 92 U  170 134 118 | 93 Np  171 136 116 | 94 Pu  172 135   | 95 Am  166 135   | 96 Cm  166 136   | 97 Bk  166 139   | 98 Cf  168 140   | 99 Es  165 140   | 100 Fm  167    | 101 Md  173 139   | 102 No  176 159   | 103 Lr  161 141   |  |  |