In group atomic size increases as we go from bottom to top

Picometre is part of million of the million part of acentimetre

Atomic size of 17Cl if greater than 12Mg

In same group , By increasing the atomic number, the atomic size .......

In periods, by increasing the atomic number , the atomic size decreases.

The smallest atomic sized element is located at the ....... of periodic table. while the largest atomic size is located at the ..... of the periodic table