2.36 2 ×108 atoms of carbon are arranged side by side. Calculate the radius of carbon atom if the length of this arrangement is 2.4 cm.

Length of the given arrangement = 2.4 cm
Number of carbon atoms present = 2 × 108
 Diameter of carbon atom

=Radiusofcarbonatom=Diameter2
=1.2x10-10m2
=6.0x10-11m