The unusual electron configuration of Mo indicates the
A) unusual stability of half-filled d-orbitals.
B) unpredictability of the electron filling patterns of the non-representative elements.
C) unusually large size of Mo atoms.
D) greater than expected electronegativity of Mo.

Question

Quizplus · Accepted Answer

The unusual electron configuration of Mo, with a half-filled d-orbital (4d5), indicates the unusual stability of half-filled d-orbitals, which is a well-known phenomenon in transition metal chemistry.

The Unusual Electron Configuration of Mo Indicates the