Question

The transition elements have a characteristic electronic configuration which can be represented as

• A. $n{d}^{1-10}(n-1)s^{1-2}$
• B. $(n+1)d^{1-10}n{s}^{1-2}$
• C. $n{d}^{1-10}n{s}^{1-2}$
• D. $(n-1)d^{1-10}n{s}^{1-2}$

Answer 1

The correct option is D $(n-1)d^{1-10}n{s}^{1-2}$

The transition elements are those elemental atoms where the last valence electron occupies the inner d orbitals.

$(n-1)d^{1-10}n{s}^{1-2}$ is the general electronic configuration of transition element.

So, option (d) is the correct answer.