Question

which element is the most reactive, based on the data? element i element j element k element l

Explanation:

Step1: Analyze reaction - indicator

The color - change in the table indicates a chemical reaction. The more color - change reactions an element has with other ions, the more reactive it is.

Step2: Count color - change reactions

Element I has 3 color - change reactions. Element J has 3 color - change reactions. Element K has 3 color - change reactions. Element L has 4 color - change reactions.

Answer:

D. Element L