Which element is more reactive - lead or copper?

Why is ICL more reactive than I_2 ?

Which element is required by plants in the greatest amount?

Why atomic hydrogen is very reactive?

In diagonal relationship, which element is related to Be?

. Which is more elastic : water or air? Why?

Though scrap zinc is more reactive than scrap iron,iron is preferred for reducing the leached copper why?

Why interhalogens are more reactive than halogens?