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

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

Picometre is part of million of the million part of acentimetre

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

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

Atomic size of 17Cl if greater than 12Mg