How many orbitals in an atom can have the quantum numbers n = 4 and l = 3?
For l=3 (f), orbitals = 2l+1 = 7.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin
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Which of the following orbitals has the highest energy?
3d is the scientifically accurate answer to this question. Within the study of Atoms and Molecules, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of 3d directly address what is being asked. Among the other options, 2s, 2p, and 3p do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Campbell Biology, Urry et al., 12th Ed.
