reacciones
Dos elementos o compuestos se unen entre si para formar uno solo.
2. Sustitución o desplazamiento.
Se lleva a cabo cuando un elemento reemplaza en unamolécula de un compuesto a otro que tiene la misma afinidad electrónica y valencia que �l.
Ejemplo:
3. Doble sustitución.
Este tipo de reacción ocurre cuando reaccionan dos compuestos y se generaun intercambio de iones entre ellos.
Ejemplo:
4. Descomposición o reparación.
En estas reacciones, los compuestos se disocian por la acción de la energía (calor, electricidad,etcétera.) en las sustancias que los constituyen.
Ejemplo:
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