Question

what do you understand by the term reactivity series?

Answer 1

reactivity series is a series in which elements where arranged in decreasing order of their reactivity
This means most reactive elements is placed on top and least on the bottom

Sodium
potassium
calcium
magnesium
aluminium
zinc
iron
lead
hydrogen
copper
mercury
silver

Answer 2

reactive series are series of metals in which metals are arrange in increasing or decreasing order of their reactivity (how reactive they are).

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