JAMB - Chemistry (2000 - No. 14)
The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194 mm. The atomic radius of chlorine atom is
0.097 mm
0.194 mm
0.388 mm
2.388 mm
Explication
To determine the atomic radius, just divide the distance between the nuclei of the chlorine atoms by 2. i.e 0.194 / 2 = 0.097mm