Question

name two elements which you expect to show same kind of chemical reactivity as magnesium . what is the basis of your choice.

Answer 1

the elements are calcium and vanadium strontium radium and barium.
the basis of choice is they all are of same group and have similar chemical properties

Answer 2

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ACCORDING TO ME,

Magnesium and Beryllium because they have same valency and lie in same group of periodic table. They have same properties and are Alkaline Earth Metals. Probably magnesium the most because chemical reactivity nearly same. They are metals and their oxides are basic in nature.