Question

How can we remember the reactivity series?

Answer 1

let me tell u how i remember. just learn
po=potassium
so=sodium
ca=calcium
ma=magnesium
al=aluminium
zi=zinc
i=iron
l=lead
hi=hydrogen
co=copper
si=silicon
go=gold
pla=plantinum

just learn the bold
it is the reactivity series  of all metals

Answer 2

Answer:

The thing which is more expensive will come afterwards this is the simplest form to learn.

Explanation: copper is less expensive than platinum so platinum is after wards copper