Question:
Assertion (A): All isotopes of a given element show the same type of chemical
behaviour.
Reason (R): The chemical properties of an atom are controlled by the
number of electrons in the atom.
(i) Both A and R are true and R is the correct explanation of A.
(ii) Both A and R are true but R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) Both A and R are false.
Solution:
Option (i) Both A and R are true and R is the correct explanation of A is correct