Question

The correct configuration for d-block is:

• A. $(n-1)d^{1-9}n{s}^1$
• B. $(n-1)d^{1-10}n{s}^{1-2}$
• C. $(n-1)d^{1-5}$
• D. $(n-1)d^{1-10}n{s}^2$

Answer 1

Answer: (B)

The general electronic configuration of d-block elements is $(n-1)d^{1-10}n{s}^{1-2}$