Question

atomic radius goes on decreasing while going form left to right in periodic table

Answer 1

Atomic radius decreases from left to right and increases from top to bottom.
hope it helped u

Answer 2

atomic radius goes on increasing left to right this is because
1.while going from left to right the atomic number increases one by one, meaning the positive charge on nucleus increases
2. the additional electron gets added to the same outermost shell . Due to the increased nucleus charge the electron are pulled towards the nucleus at a greater extent