Chemistry 9701 · AS & A Level · Atomic structure

Atomic structure — practice question

For a single gaseous atom of element X, at least one of the $3d$ orbitals contains a pair of electrons, and the $4s$ subshell is full. What is the possible identity of element X?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 and 3 only
  • D1 only

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI