Question

which is the only kind of orbital in the first energy level? a. an f orbital b. a d orbital c. an s orbital d. a p orbital

Explanation:

In atomic structure, the first energy level (n = 1) has only one type of orbital, which is the s - orbital. The principal quantum number n = 1 has an angular - momentum quantum number l = 0, and l = 0 corresponds to the s - orbital. The other types of orbitals (p, d, f) are present in higher energy levels.

Answer:

C. An s orbital