Question

Name the least reactive metal placed on the bottom in the reactivity series​

Answer 1

Answer:

GOLD

Explanation:

gold is the least reactive metal .

Answer 2

Gold is the least reactive metal placed in the bottom of the reactivity series.

Explanation:

       The 4f and 5d orbitals expand, but can't be involved in bond formation since they are completely filled. This is why gold is relatively unreactive.

           Hope it helps you..!