Química: elementos con valencia
La siguiente tabla ilustra elementos significativos y su valencia:
| Elemento | Valencia | Símbolo | No. atómico |
|---|---|---|---|
| Hidrógeno | -1, +1 | H | 1 |
| Helio | 0 | Él | 2 |
| Litio | 1 | Li | 3 |
| Berilio | 2 | Ser | 4 |
| Boro | 3, 2, 1 | segundo | 5 |
| Carbón | -1, -2, -4, 4, 3, 2, 1, | C | 6 |
| Nitrógeno | 0, -1, -2, -3,0, 5, 4, 3, 2, 1, | norte | 7 |
| Oxígeno | -1, -2, 0, 2, 1, | O | 8 |
| Flúor | -1, 0 | F | 9 |
| Neón | 0 | Nordeste | 10 |
| Sodio | -1, 1 | N / A | 11 |
| Magnesio | 2 | Mg | 12 |
| Aluminio | 3, 1 | Alabama | 13 |
| Silicio | -1, -2, -4, 4, 3, 2, 1 | Si | 14 |
| Fósforo | -1, -2, -3, 0, 5, 4, 3, 2, 1 | PAG | 15 |
| Azufre | -1, -2, 0, 6, 5, 4, 3, 2, 1 | S | dieciséis |
| Cloro | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Cl | 17 |
| Argón | 0 | Arkansas | 18 |
| Potasio | -1, 1 | K | 19 |
| Calcio | 2 | California | 20 |
| Escandio | 3, 2, 1 | Carolina del Sur | 21 |
| Titanio | -1, -2, 0, 4, 3, 2, | Ti | 22 |
| Vanadio | -1, -2, 0, 5, 4, 3, 2, 1 | V | 23 |
| Cromo | -1, -2, -3, -4, 0, 6, 5, 4, 3, 2, 1 | Cr | 24 |
| Manganeso | -1, -2, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Minnesota | 25 |
| Hierro | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Fe | 26 |
| Cobalto | -1, 0, 5, 4, 3, 2, 1 | Co | 27 |
| Níquel | -1, 0, 6, 4, 3, 2, 1 | Ni | 28 |
| Cobre | 4, 3, 2, 1, 0 | Cu | 29 |
| Zinc | 2, 1, 0 | Zn | 30 |
| Galio | 3, 2, 1 | Georgia | 31 |
| Germanio | 4, 3, 2, 1 | Ge | 32 |
| Arsénico | -3, 5, 3, 2, | Como | 33 |
| Selenio | -2, 6, 4, 2, 1 | Se | 34 |
| Bromo | -1, 0, 7, 5, 4, 3, 1 | Br | 35 |
| Criptón | 2, 0 | Kr | 36 |
| Rubidio | -1, 1 | Rb | 37 |
| Estroncio | 2 | Sr | 38 |
| Itrio | 3, 2 | Y | 39 |
| Circonio | 0, -2, 4, 3, 2, 1 | Zr | 40 |
| Niobio | -1, -3, 0, 5, 4, 3, 2, 1 | Nótese bien | 41 |
| Molibdeno | -1, -2, 0, 6, 5, 4, 3, 2, 1 | Mes | 42 |
| Tecnecio | -1, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Tc | 43 |
| Rutenio | -2, 0, 8, 7, 6, 5, 4, 3, 2, 1 | Ru | 44 |
| Rodio | -1, 0, 6, 5, 4, 3, 2, 1 | rh. | 45 |
| Paladio | 4, 2, 0 | Pd | 46 |
| Plata | 3, 2, 1, 0 | Ag | 47 |
| Cadmio | 2, 1 | Discos compactos | 48 |
| Indio | 3, 2, 1 | En | 49 |
| Estaño | -4, 4, 2 | Sn | 50 |
| Antimonio | -3, 5, 3 | Sb | 51 |
| Telurio | -2, 6, 5, 4, 2, 1 | Te | 52 |
| Yodo | -1, 0, 7, 5, 3, 1 | yo | 53 |
| Xenón | 8, 6, 4, 3, 2, 0 | Xe | 54 |
| Cesio | -1, 1 | Cs | 55 |
| Bario | 2 | Licenciado en Letras | 56 |
| Lantano | 3, 2 | La | 57 |
| Cerio | 4, 3, 2 | Ce | 58 |
| Praseodimio | 4, 3, 2 | Pr | 59 |
| Neodimio | 4, 3, 2 | Dakota del Norte | 60 |
| Prometeo | 3 | Pm | 61 |
| Samario | 3, 2 | Sm | 62 |
| Europio | 3, 2 | UE | 63 |
| Gadolinio | 3, 2, 1 | Dios | 64 |
| Terbio | 4, 3, 1 | Tuberculosis | sesenta y cinco |
| Disprosio | 4, 3, 2 | Dy | 66 |
| Holmio | 3, 2 | Ho | 67 |
| Erbio | 3 | Er | 68 |
| Tulio | 3, 2 | Tm | 69 |
| Iterbio | 3, 2 | Yb | 70 |
| Lutecio | 3 | Lu | 71 |
| Hafnio | 4, 3, 2, 1 | Hf | 72 |
| Tantalio | -1, -3, 5, 4, 3, 2, 1 | Ejército de reserva | 73 |
| Tungsteno | -1, -2, -4, 0, 6, 5, 4, 3, 2, 1 | W | 74 |
| Renio | -1, -3, 0, 7, 6, 5, 4, 3, 2, 1 | Re | 75 |
| Osmio | -2, 0, 8, 7, 6, 5, 4, 3, 2, 1 | Os | 76 |
| Iridio | -1, 0, 6, 5, 4, 3, 2, 1 | Ir | 77 |
| Platino | 6, 5, 4, 2, 0 | Pt | 78 |
| Oro | -1, 0, 7, 5, 3, 2, 1 | Au | 79 |
| Mercurio | 2, 1 | Hg | 80 |
| Talio | 3, 1 | Tl | 81 |
| Dirigir | 4, 2 | Pb | 82 |
| Bismuto | -3, 5, 3, 1 | Bi | 83 |
| Polonio | -2, 6, 4, 2 | Correos | 84 |
| Astatine | -1, 7, 5, 3, 1 | A | 85 |
| Radón | 2, 0 | Rn | 86 |
| Francio | 1 | Fr | 87 |
| Radio | 2 | Real academia de bellas artes | 88 |
| Actinio | 3 | C.A | 89 |
| Torio | 4, 3, 2 | Th | 90 |
| Protactinio | 5, 4, 3 | Pensilvania | 91 |
| Uranio | 6, 5, 4, 3, 2 | U | 92 |
| Neptunio | 7, 6, 5, 4, 3, 2 | Notario público | 93 |
| Plutonio | 7, 6, 5, 4, 3, 2 | Pu | 94 |
| Americio | 7, 6, 5, 4, 3, 2 | A.m | 95 |