Question

Arrange Ca, Zn, Al, Au, Ag, and Cu in their decreasing order of reactivity. What is the common property of the metal in the bottom of the series?

Answer 1

ca
al
zn
cu
ag
au
the common property is that they are unreactive.
they don't react with water or air at any cost.
kinda mark as brainleist, i need your support.

Answer 2

Ca < Al < Zn < Cu < Ag < Au