Question

a double replacement reaction can be best described as a reaction in which two atoms of a compound are lost. a substitution takes place. ions are exchanged between two compounds. electrons are exchanged between two atoms.

Explanation:

En una reacción de doble reemplazo, los iones de dos compuestos se intercambian. Por ejemplo, en la reacción \( AB + CD
ightarrow AD + CB \), los iones \( A^{+} \) y \( C^{+} \) (o aniones) se intercambian entre los compuestos \( AB \) y \( CD \).

Answer:

ions are exchanged between two compounds.