During a simulated voyage aboard the research vessel Astraea, engineers calibrate a quantum sensor designed to map atomic structures within a stellar corona. The diagnostic computer monitors electronic transitions occurring within the third principal energy level ($n = 3$) of sample atoms. To ensure precise channel alignment, the sensor requires the exact sublevel composition and total number of orbitals present in this specific shell. Which description correctly identifies the sublevels and total orbital count for the $n = 3$ energy level?

A) It contains only the s and p sublevels, providing a total of 4 orbitals.

B) It contains the s, p, and d sublevels, providing a total of 6 orbitals.

C) It contains the s, p, d, and f sublevels, providing a total of 16 orbitals.

D) It contains the s, p, and d sublevels, providing a total of 9 orbitals.

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Chemistry · Atomic Structure · Chemistry · Electrons in Atoms

1 Chemistry practice questions on Energy levels and sublevels. Questions built around original scenarios.

Atomic Structure · Chemistry

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