Question

Atomic radius is expressed in the unit …..

a) nanometer b) picometer c) micrometer d) millimeter​

Answer 1

b) picometer

Explanation:

The units for atomic radii are picometers, equal to 10−12 meters.

Answer 2

Answer:

b

Explanation:

the internuclear distance between the two hydrogen atoms in an H2 molecules is measured to be 74 PM.

the automatic radius of a hydrogen atom is

742= 37 PM