Chimie - Éléments avec leur Valence
Le tableau suivant illustre les éléments significatifs et leur valence -
| Élément | Valence | symbole | N ° atomique |
|---|---|---|---|
| Hydrogène | -1, +1 | H | 1 |
| Hélium | 0 | Il | 2 |
| Lithium | 1 | Li | 3 |
| Béryllium | 2 | Être | 4 |
| Bore | 3, 2, 1 | B | 5 |
| Carbone | -1, -2, -4, 4, 3, 2, 1, | C | 6 |
| Azote | 0, -1, -2, -3,0, 5, 4, 3, 2, 1, | N | sept |
| Oxygène | -1, -2, 0, 2, 1, | O | 8 |
| Fluor | -dix | F | 9 |
| Néon | 0 | Ne | dix |
| Sodium | -1, 1 | N / a | 11 |
| Magnésium | 2 | Mg | 12 |
| Aluminium | 3, 1 | Al | 13 |
| Silicium | -1, -2, -4, 4, 3, 2, 1 | Si | 14 |
| Phosphore | -1, -2, -3, 0, 5, 4, 3, 2, 1 | P | 15 |
| Soufre | -1, -2, 0, 6, 5, 4, 3, 2, 1 | S | 16 |
| Chlore | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Cl | 17 |
| Argon | 0 | Ar | 18 |
| Potassium | -1, 1 | K | 19 |
| Calcium | 2 | Californie | 20 |
| Scandium | 3, 2, 1 | Sc | 21 |
| Titane | -1, -2, 0, 4, 3, 2, | Ti | 22 |
| Vanadium | -1, -2, 0, 5, 4, 3, 2, 1 | V | 23 |
| Chrome | -1, -2, -3, -4, 0, 6, 5, 4, 3, 2, 1 | Cr | 24 |
| Manganèse | -1, -2, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Mn | 25 |
| Le fer | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Fe | 26 |
| Cobalt | -1, 0, 5, 4, 3, 2, 1 | Co | 27 |
| Nickel | -1, 0, 6, 4, 3, 2, 1 | Ni | 28 |
| Cuivre | 4, 3, 2, 1, 0 | Cu | 29 |
| Zinc | 2, 1, 0 | Zn | 30 |
| Gallium | 3, 2, 1 | Géorgie | 31 |
| Germanium | 4, 3, 2, 1 | Ge | 32 |
| Arsenic | -3, 5, 3, 2, | Comme | 33 |
| Sélénium | -2, 6, 4, 2, 1 | Se | 34 |
| Brome | -1, 0, 7, 5, 4, 3, 1 | Br | 35 |
| Krypton | 2, 0 | Kr | 36 |
| Rubidium | -1, 1 | Rb | 37 |
| Strontium | 2 | Sr | 38 |
| Yttrium | 3, 2 | Oui | 39 |
| Zirconium | 0, -2, 4, 3, 2, 1 | Zr | 40 |
| Niobium | -1, -3, 0, 5, 4, 3, 2, 1 | Nb | 41 |
| Molybdène | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Mo | 42 |
| Technétium | -1, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Tc | 43 |
| Ruthénium | -2, 0, 8, 7, 6, 5, 4, 3, 2, 1 | Ru | 44 |
| Rhodium | -1, 0, 6, 5, 4, 3, 2, 1 | Rh | 45 |
| Palladium | 4, 2, 0 | Pd | 46 |
| argent | 3, 2, 1, 0 | Ag | 47 |
| Cadmium | 2, 1 | CD | 48 |
| Indium | 3, 2, 1 | Dans | 49 |
| Étain | -4, 4, 2 | Sn | 50 |
| Antimoine | -3, 5, 3 | Sb | 51 |
| Tellure | -2, 6, 5, 4, 2, 1 | Te | 52 |
| Iode | -1, 0, 7, 5, 3, 1 | je | 53 |
| Xénon | 8, 6, 4, 3, 2, 0 | Xe | 54 |
| Césium | -1, 1 | Cs | 55 |
| Baryum | 2 | Ba | 56 |
| Lanthane | 3, 2 | La | 57 |
| Cérium | 4, 3, 2 | Ce | 58 |
| Praséodyme | 4, 3, 2 | Pr | 59 |
| Néodyme | 4, 3, 2 | Nd | 60 |
| Prométhium | 3 | PM | 61 |
| Samarium | 3, 2 | Sm | 62 |
| Europium | 3, 2 | UE | 63 |
| Gadolinium | 3, 2, 1 | Gd | 64 |
| Terbium | 4, 3, 1 | Tb | 65 |
| Dysprosium | 4, 3, 2 | Dy | 66 |
| Holmium | 3, 2 | Ho | 67 |
| Erbium | 3 | Euh | 68 |
| Thulium | 3, 2 | Tm | 69 |
| Ytterbium | 3, 2 | Yb | 70 |
| Lutétium | 3 | Lu | 71 |
| Hafnium | 4, 3, 2, 1 | Hf | 72 |
| Tantale | -1, -3, 5, 4, 3, 2, 1 | Ta | 73 |
| Tungstène | -1, -2, -4, 0, 6, 5, 4, 3, 2, 1 | W | 74 |
| Rhénium | -1, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Ré | 75 |
| Osmium | -2, 0, 8, 7, 6, 5, 4, 3, 2, 1 | Os | 76 |
| Iridium | -1, 0, 6, 5, 4, 3, 2, 1 | Ir | 77 |
| Platine | 6, 5, 4, 2, 0 | Pt | 78 |
| Or | -1, 0, 7, 5, 3, 2, 1 | Au | 79 |
| Mercure | 2, 1 | Hg | 80 |
| Thallium | 3, 1 | Tl | 81 |
| Conduire | 4, 2 | Pb | 82 |
| Bismuth | -3, 5, 3, 1 | Bi | 83 |
| Polonium | -2, 6, 4, 2 | Po | 84 |
| Astatine | -1, 7, 5, 3, 1 | À | 85 |
| Radon | 2, 0 | Rn | 86 |
| Francium | 1 | Fr | 87 |
| Radium | 2 | Ra | 88 |
| Actinium | 3 | Ac | 89 |
| Thorium | 4, 3, 2 | Th | 90 |
| Protactinium | 5, 4, 3 | Pennsylvanie | 91 |
| Uranium | 6, 5, 4, 3, 2 | U | 92 |
| Neptunium | 7, 6, 5, 4, 3, 2 | Np | 93 |
| Plutonium | 7, 6, 5, 4, 3, 2 | Pu | 94 |
| Américium | 7, 6, 5, 4, 3, 2 | Un m | 95 |