Which of the following has only one orientation is space in the magnetic field?
Correct answer: B. s orbital
- A. p orbital
- B. s orbital
- C. d orbital
- D. f orbital
Explanation
Orientation of orbitals are given by magnetic quantum number. By using formula; (2l + 1) we can calculate the orientations of orbitals in space. For s orbital, l=0, so; [2(0) +1] = 1, s orbital will have 1 orientation in space. For p orbital, l=1, so; [2(1) +1] = 3, p orbital will have 3 orientations in space. For d orbital, l=2, so; [2(2) +1] = 5, d orbital will have 5 orientations in space. For f orbital, l=3, so; [2(3) +1] = 7, d orbital will have 7 orientations in space.Hence, option B, s orbital is correct.
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