Jari-jari ion
Penentuan jari-jari ion

| Nomor | Nama | Simbol | 3– | 2– | 1– | 1+ | 2+ | 3+ | 4+ | 5+ | 6+ | 7+ | 8+ |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | Hidrogen | H |  |  |  | 10 (2) |  |  |  |  |  |  |  |
| 3 | Litium | Li |  |  |  | 76 |  |  |  |  |  |  |  |
| 4 | Berilium | Be |  |  |  |  | 45 |  |  |  |  |  |  |
| 5 | Boron | B |  |  |  |  |  | 27 |  |  |  |  |  |
| 6 | Karbon | C |  |  |  |  |  |  | 16 |  |  |  |  |
| 7 | Nitrogen | N | 146 (4) |  |  |  |  | 16 |  | 13 |  |  |  |
| 8 | Oksigen | O |  | 140 |  |  |  |  |  |  |  |  |  |
| 9 | Fluor | F |  |  | 133 |  |  |  |  |  |  | 8 |  |
| 11 | Natrium | Na |  |  |  | 102 |  |  |  |  |  |  |  |
| 12 | Magnesium | Mg |  |  |  |  | 72 |  |  |  |  |  |  |
| 13 | Aluminum | Al |  |  |  |  |  | 53.5 |  |  |  |  |  |
| 14 | Silikon | Si |  |  |  |  |  |  | 40 |  |  |  |  |
| 15 | Fosforus | P |  |  |  |  |  | 44 |  | 38 |  |  |  |
| 16 | Belerang | S |  | 184 |  |  |  |  | 37 |  | 29 |  |  |
| 17 | Klor | Cl |  |  | 181 |  |  |  |  | 12 (3py) |  | 27 |  |
| 19 | Kalium | K |  |  |  | 138 |  |  |  |  |  |  |  |
| 20 | Kalsium | Ca |  |  |  |  | 100 |  |  |  |  |  |  |
| 21 | Skandium | Sc |  |  |  |  |  | 74.5 |  |  |  |  |  |
| 22 | Titanium | Ti |  |  |  |  | 86 | 67 | 60.5 |  |  |  |  |
| 23 | Vanadium | V |  |  |  |  | 79 | 64 | 58 | 54 |  |  |  |
| 24 | Kromium ls | Cr |  |  |  |  | 73 | 61.5 | 55 | 49 | 44 |  |  |
| 24 | Kromium hs | Cr |  |  |  |  | 80 |  |  |  |  |  |  |
| 25 | Mangan ls | Mn |  |  |  |  | 67 | 58 | 53 | 33 (4) | 25.5 (4) | 46 |  |
| 25 | Mangan hs | Mn |  |  |  |  | 83 | 64.5 |  |  |  |  |  |
| 26 | Besi ls | Fe |  |  |  |  | 61 | 55 | 58.5 |  | 25 (4) |  |  |
| 26 | Besi hs | Fe |  |  |  |  | 78 | 64.5 |  |  |  |  |  |
| 27 | Kobalt ls | Co |  |  |  |  | 65 | 54.5 |  |  |  |  |  |
| 27 | Kobalt hs | Co |  |  |  |  | 74.5 | 61 | 53 hs |  |  |  |  |
| 28 | Nikel ls | Ni |  |  |  |  | 69 | 56 | 48 ls |  |  |  |  |
| 28 | Nikel hs | Ni |  |  |  |  |  | 60 |  |  |  |  |  |
| 29 | Tembaga | Cu |  |  |  | 77 | 73 | 54 ls |  |  |  |  |  |
| 30 | Seng | Zn |  |  |  |  | 74 |  |  |  |  |  |  |
| 31 | Galium | Ga |  |  |  |  |  | 62 |  |  |  |  |  |
| 32 | Germanium | Ge |  |  |  |  | 73 |  | 53 |  |  |  |  |
| 33 | Arsen | As |  |  |  |  |  | 58 |  | 46 |  |  |  |
| 34 | Selenium | Se |  | 198 |  |  |  |  | 50 |  | 42 |  |  |
| 35 | Bromin | Br |  |  | 196 |  |  | 59 (4sq) |  | 31 (3py) |  | 39 |  |
| 37 | Rubidium | Rb |  |  |  | 152 |  |  |  |  |  |  |  |
| 38 | Stronsium | Sr |  |  |  |  | 118 |  |  |  |  |  |  |
| 39 | Yttrium | Y |  |  |  |  |  | 90 |  |  |  |  |  |
| 40 | Zirkonium | Zr |  |  |  |  |  |  | 72 |  |  |  |  |
| 41 | Niobium | Nb |  |  |  |  |  | 72 | 68 | 64 |  |  |  |
| 42 | Molibdenum | Mo |  |  |  |  |  | 69 | 65 | 61 | 59 |  |  |
| 43 | Teknesium | Tc |  |  |  |  |  |  | 64.5 | 60 |  | 56 |  |
| 44 | Rutenium | Ru |  |  |  |  |  | 68 | 62 | 56.5 |  | 38 (4) | 36 (4) |
| 45 | Rodium | Rh |  |  |  |  |  | 66.5 | 60 | 55 |  |  |  |
| 46 | Paladium | Pd |  |  |  | 59 (2) | 86 | 76 | 61.5 |  |  |  |  |
| 47 | Perak | Ag |  |  |  | 115 | 94 | 75 |  |  |  |  |  |
| 48 | Kadmium | Cd |  |  |  |  | 95 |  |  |  |  |  |  |
| 49 | Indium | In |  |  |  |  |  | 80 |  |  |  |  |  |
| 50 | Timah | Sn |  |  |  |  |  |  | 69 |  |  |  |  |
| 51 | Antimon | Sb |  |  |  |  |  | 76 |  | 60 |  |  |  |
| 52 | Telurium | Te |  | 221 |  |  |  |  | 97 |  | 56 |  |  |
| 53 | Iodium | I |  |  | 220 |  |  |  |  | 95 |  | 53 |  |
| 54 | Xenon | Xe |  |  |  |  |  |  |  |  |  |  | 48 |
| 55 | Caesium | Cs |  |  |  | 167 |  |  |  |  |  |  |  |
| 56 | Barium | Ba |  |  |  |  | 135 |  |  |  |  |  |  |
| 57 | Lantanum | La |  |  |  |  |  | 103.2 |  |  |  |  |  |
| 58 | Serium | Ce |  |  |  |  |  | 101 | 87 |  |  |  |  |
| 59 | Praseodimium | Pr |  |  |  |  |  | 99 | 85 |  |  |  |  |
| 60 | Neodimium | Nd |  |  |  |  | 129 (8) | 98.3 |  |  |  |  |  |
| 61 | Prometium | Pm |  |  |  |  |  | 97 |  |  |  |  |  |
| 62 | Samarium | Sm |  |  |  |  | 122 (7) | 95.8 |  |  |  |  |  |
| 63 | Europium | Eu |  |  |  |  | 117 | 94.7 |  |  |  |  |  |
| 64 | Gadolinium | Gd |  |  |  |  |  | 93.5 |  |  |  |  |  |
| 65 | Terbium | Tb |  |  |  |  |  | 92.3 | 76 |  |  |  |  |
| 66 | Disprosium | Dy |  |  |  |  | 107 | 91.2 |  |  |  |  |  |
| 67 | Holmium | Ho |  |  |  |  |  | 90.1 |  |  |  |  |  |
| 68 | Erbium | Er |  |  |  |  |  | 89 |  |  |  |  |  |
| 69 | Tulium | Tm |  |  |  |  | 103 | 88 |  |  |  |  |  |
| 70 | Ytterbium | Yb |  |  |  |  | 102 | 86.8 |  |  |  |  |  |
| 71 | Lutesium | Lu |  |  |  |  |  | 86.1 |  |  |  |  |  |
| 72 | Hafnium | Hf |  |  |  |  |  |  | 71 |  |  |  |  |
| 73 | Tantalum | Ta |  |  |  |  |  | 72 | 68 | 64 |  |  |  |
| 74 | Wolfram | W |  |  |  |  |  |  | 66 | 62 | 60 |  |  |
| 75 | Renium | Re |  |  |  |  |  |  | 63 | 58 | 55 | 53 |  |
| 76 | Osmium | Os |  |  |  |  |  |  | 63 | 57.5 | 54.5 | 52.5 | 39 (4) |
| 77 | Iridium | Ir |  |  |  |  |  | 68 | 62.5 | 57 |  |  |  |
| 78 | Platina | Pt |  |  |  |  | 80 |  | 62.5 | 57 |  |  |  |
| 79 | Emas | Au |  |  |  | 137 |  | 85 |  | 57 |  |  |  |
| 80 | Raksa | Hg |  |  |  | 119 | 102 |  |  |  |  |  |  |
| 81 | Talium | Tl |  |  |  | 150 |  | 88.5 |  |  |  |  |  |
| 82 | Timbal | Pb |  |  |  |  | 119 |  | 77.5 |  |  |  |  |
| 83 | Bismut | Bi |  |  |  |  |  | 103 |  | 76 |  |  |  |
| 84 | Polonium | Po |  |  |  |  |  |  | 94 |  | 67 |  |  |
| 85 | Astatin | At |  |  |  |  |  |  |  |  |  | 62 |  |
| 87 | Fransium | Fr |  |  |  | 180 |  |  |  |  |  |  |  |
| 88 | Radium | Ra |  |  |  |  | 148 (8) |  |  |  |  |  |  |
| 89 | Aktinium | Ac |  |  |  |  |  | 112 |  |  |  |  |  |
| 90 | Torium | Th |  |  |  |  |  |  | 94 |  |  |  |  |
| 91 | Protaktinium | Pa |  |  |  |  |  | 104 | 90 | 78 |  |  |  |
| 92 | Uranium | U |  |  |  |  |  | 102.5 | 89 | 76 | 73 |  |  |
| 93 | Neptunium | Np |  |  |  |  | 110 | 101 | 87 | 75 | 72 | 71 |  |
| 94 | Plutonium | Pu |  |  |  |  |  | 100 | 86 | 74 | 71 |  |  |
| 95 | Americium | Am |  |  |  |  | 126 (8) | 97.5 | 85 |  |  |  |  |
| 96 | Curium | Cm |  |  |  |  |  | 97 | 85 |  |  |  |  |
| 97 | Berkelium | Bk |  |  |  |  |  | 96 | 83 |  |  |  |  |
| 98 | Californium | Cf |  |  |  |  |  | 95 | 82.1 |  |  |  |  |
| 99 | Einsteinium | Es |  |  |  |  |  | 83.5 |  |  |  |  |  |