For which of the following elements does the electron configuration for the lowest energy state show a partially filled d orbital?
A) S
B) Ca
C) Rb
D) Kr
E) Ti

Question

Quizplus · Accepted Answer

The electron configuration for Ti in its ground state is [Ar] 3d2 4s2, indicating that the d orbital is partially filled. None of the other choices have a partially filled d orbital in their ground state electron configurations.

For Which of the Following Elements Does the Electron Configuration