What is the electron configuration of a copper atom?

Question

Quizplus · Accepted Answer

The correct electron configuration for a copper atom is [Ar] 3d^10 4s^1, which is a simplified way to represent the actual electron configuration. The given options seem to be incorrectly formatted or use a non-standard notation. However, option B appears to attempt to convey [Ar] 3d^10 4s^1, despite the unconventional notation. Copper is known for its exception to the expected electron configuration due to electron correlation effects and stability reasons, preferring to have a full d-subshell.

What Is the Electron Configuration of a Copper Atom