question_answer 46)

    Which one of the following depict the correct representation of atomic radius (r) of an atom?               (a) (i) and (ii)                      (b) (ii) and (iii)                    (c) (iii) and (iv)                   (d) (i) and (iv)

Answer:

                  (b)Atomic radius is the distance between the centre of the nucleus and the outer most shell which contains electrons in an isolated atom. Figure (ii) and (iii) are the correct representation of atomic radius from nucleus to the outermost shell.