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Electron affinity
Energy released when a neutral gaseous atom acquires a first electron. Positive values mean energy is released (the atom binds the extra electron).
| Símbolo | Nome | ||
|---|---|---|---|
| 1 | H | Hydrogen | 0,75419 |
| 2 | He | Helium | -0,5 |
| 3 | Li | Lithium | 0,61804 |
| 4 | Be | Beryllium | -0,52 |
| 5 | B | Boron | 0,27972 |
| 6 | C | Carbon | 1,2621 |
| 7 | N | Nitrogen | -0,07 |
| 8 | O | Oxygen | 1,4611 |
| 9 | F | Fluorine | 3,4011 |
| 10 | Ne | Neon | -1,2 |
| 11 | Na | Sodium | 0,5479 |
| 12 | Mg | Magnesium | -0,4 |
| 13 | Al | Aluminum | 0,4328 |
| 14 | Si | Silicon | 1,385 |
| 15 | P | Phosphorus | 0,7466 |
| 16 | S | Sulfur | 2,0771 |
| 17 | Cl | Chlorine | 3,6127 |
| 18 | Ar | Argon | -1 |
| 19 | K | Potassium | 0,5014 |
| 20 | Ca | Calcium | 0,0245 |
| 21 | Sc | Scandium | 0,188 |
| 22 | Ti | Titanium | 0,0755 |
| 23 | V | Vanadium | 0,525 |
| 24 | Cr | Chromium | 0,675 |
| 25 | Mn | Manganese | -0,5 |
| 26 | Fe | Iron | 0,151 |
| 27 | Co | Cobalt | 0,661 |
| 28 | Ni | Nickel | 1,156 |
| 29 | Cu | Copper | 1,235 |
| 30 | Zn | Zinc | -0,6 |
| 31 | Ga | Gallium | 0,3 |
| 32 | Ge | Germanium | 1,232 |
| 33 | As | Arsenic | 0,81 |
| 34 | Se | Selenium | 2,0206 |
| 35 | Br | Bromine | 3,3635 |
| 36 | Kr | Krypton | -1 |
| 37 | Rb | Rubidium | 0,4859 |
| 38 | Sr | Strontium | 0,052 |
| 39 | Y | Yttrium | 0,307 |
| 40 | Zr | Zirconium | 0,426 |
| 41 | Nb | Niobium | 0,893 |
| 42 | Mo | Molybdenum | 0,744 |
| 43 | Tc | Technetium | 0,55 |
| 44 | Ru | Ruthenium | 1,05 |
| 45 | Rh | Rhodium | 1,137 |
| 46 | Pd | Palladium | 0,557 |
| 47 | Ag | Silver | 1,302 |
| 48 | Cd | Cadmium | -0,7 |
| 49 | In | Indium | 0,3 |
| 50 | Sn | Tin | 1,112 |
| 51 | Sb | Antimony | 1,07 |
| 52 | Te | Tellurium | 1,9708 |
| 53 | I | Iodine | 3,059 |
| 54 | Xe | Xenon | -0,8 |
| 55 | Cs | Cesium | 0,4716 |
| 56 | Ba | Barium | 0,1447 |
| 57 | La | Lanthanum | 0,47 |
| 58 | Ce | Cerium | 0,955 |
| 59 | Pr | Praseodymium | 0,962 |
| 60 | Nd | Neodymium | 1,913 |
| 61 | Pm | Promethium | 0,129 |
| 62 | Sm | Samarium | 0,156 |
| 63 | Eu | Europium | 0,116 |
| 64 | Gd | Gadolinium | 0,132 |
| 65 | Tb | Terbium | 1,124 |
| 66 | Dy | Dysprosium | 0,352 |
| 67 | Ho | Holmium | 0,338 |
| 68 | Er | Erbium | 0,312 |
| 69 | Tm | Thulium | 1,029 |
| 70 | Yb | Ytterbium | -0,02 |
| 71 | Lu | Lutetium | 0,346 |
| 72 | Hf | Hafnium | 0,178 |
| 73 | Ta | Tantalum | 0,322 |
| 74 | W | Tungsten | 0,815 |
| 75 | Re | Rhenium | 0,15 |
| 76 | Os | Osmium | 1,1 |
| 77 | Ir | Iridium | 1,565 |
| 78 | Pt | Platinum | 2,1228 |
| 79 | Au | Gold | 2,3086 |
| 80 | Hg | Mercury | -0,5 |
| 81 | Tl | Thallium | 0,377 |
| 82 | Pb | Lead | 0,364 |
| 83 | Bi | Bismuth | 0,942 |
| 84 | Po | Polonium | 1,9 |
| 85 | At | Astatine | 2,391 |
| 86 | Rn | Radon | -0,7 |
| 87 | Fr | Francium | 0,491 |
| 88 | Ra | Radium | 0,096 |
| 89 | Ac | Actinium | 0,35 |
| 90 | Th | Thorium | 0,607 |
| 91 | Pa | Protactinium | 0,123 |
| 92 | U | Uranium | 0,3 |
| 93 | Np | Neptunium | 0,48 |
| 94 | Pu | Plutonium | -0,5 |
| 95 | Am | Americium | 0,1 |
| 96 | Cm | Curium | 0,277 |
| 97 | Bk | Berkelium | -0,5 |
| 98 | Cf | Californium | -0,5 |
| 99 | Es | Einsteinium | -0,3 |
| 100 | Fm | Fermium | 0,339 |
| 101 | Md | Mendelevium | 0,997 |
| 102 | No | Nobelium | -2,36 |
| 103 | Lr | Lawrencium | 0,315 |
| 104 | Rf | Rutherfordium | 0,65 |
| 105 | Db | Dubnium | 0,56 |
| 106 | Sg | Seaborgium | 0,85 |
| 107 | Bh | Bohrium | 0,44 |
| 108 | Hs | Hassium | 1,1 |
| 109 | Mt | Meitnerium | 1,7 |
| 110 | Ds | Darmstadtium | 1,6 |
| 111 | Rg | Roentgenium | 1,6 |
| 112 | Cn | Copernicium | -0,8 |
| 113 | Nh | Nihonium | 0,6 |
| 114 | Fl | Flerovium | -0,5 |
| 115 | Mc | Moscovium | 0,3 |
| 116 | Lv | Livermorium | 0,7 |
| 117 | Ts | Tennessine | 1,8 |
| 118 | Og | Oganesson | 0,056 |
Fontes e notas
- Sign convention: positive = energy released upon electron attachment. Negative values mark atoms that are not predicted to bind an extra electron.