Question

atomic radius is expressed in the unit........which is smaller than nanometre

Answer 1

Atomic radius is expressed in
Angstrom 10^-10m and
Picometre 10^-12m

Answer 2

Heya!!Here is your answer friend ⤵⤵

Atomic radius is the average distance of an electron from the nucleus .

It is expressed in pico meter (pm)

I pico meter =
$10 { }^{ - 12} m$
Hope it helps you ✌✌