Question Detail
Question
What is the electron configuration of copper according to the notes?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Copper has the electron configuration [Ar] 3d¹⁰4s¹. It forms two ions: Cu⁺ with structure [Ar] 3d¹⁰, and Cu²⁺ with structure [Ar] 3d⁹.
Hint
The notes provide this specific anomalous configuration.