Which of the following terms refers to the representation of the arrangement of electrons in energy levels, sublevels, and orbitals?
A. Electron configuration
B. Periodic Table
C. Valence Electron
D. All of the above

Multiple choice write the correct answer. Answer only if you know. Do not answer if your answer is not related to the question. If you already answered this and it's already been checked please send the correct answer. I will report improper answers.