Question

Which of the following statements is wrong about d-block elements

• A. The electronic configuration of these elements have 2 incomplete shells
• B. The last electron enters the d-orbital of the anti penultimate shell
• C. The last electron enters into the d-orbital of the penulitimate shell
• D. They are all metals

Answer 1

The correct option is B

The last electron enters the d-orbital of the anti penultimate shell

The last electron in d-block element enters $(n-1)d$ orbital i.e. penultimate shell.