A ground-state atom of manganese has ___ unpaired electrons and is _____.
A) 0, diamagnetic
B) 2, diamagnetic
C) 3, paramagnetic
D) 5, paramagnetic
E) 7, paramagnetic

Question

Quizplus · Accepted Answer

The electron configuration of manganese is [Ar] 3d5 4s2. The d-orbital is not completely filled, so it is possible for unpaired electrons to exist. There are 5 unpaired electrons, which makes the atom paramagnetic.

A Ground-State Atom of Manganese Has ___ Unpaired Electrons and Is