Which one of the following depict the correct representation of atomic radius (r) of an atom ?

Options

A. (i) and (ii)
B. (ii) and (iii)
C. (iii) and (iv)
D. (i) and (iv).

Answer

B

Explanation

The atomic radius of an element is the distance from the centre of the nucleus of its atom and the last shell which contains electrons. Therefore both (ii) and (iii) represent the correct atomic radius of the element.