Question

what criteria can you use to determine which metal is the most reactive and which one is the least reactive?

Answer 1

Answer:

Potassium is the most reactive metal, while platinum is the least reactive. The higher the metal in the series, the more reactive it is and the more vigorously it reacts with water, oxygen and acid.

Answer 2

Answer:

we can determine which metal is the most reactive by checking it's valency or stability .

Explanation:

here valency is directly proportional to the reactiveness of metal