Answer:
the main function of the staggered line is to separate metas from non metals.
Explanation:
This one separates the elements to the right and left.
To the right hand side of the periodic table , lies the stggering line that eventually looks like a staircase.
To the left of it lies thye metals while on the right are the non metals .
Those that touch the line are called the metalloids , this is because they tend to display metallic and non metellic characteristics .
