There are four orbitals s, p, d and f. Which order is correct with respect to the increasing energy of the orbitals?
Correct answer: A. 4s < 4p < 4d < 4f
- A. 4s < 4p < 4d < 4f
- B. 4p < 4s < 4f < 4d
- C. 4s < 4f < 4p < 4d
- D. 4f < 4s < 4d < 4p
Explanation
According to the order of increasing energy, the s orbitals have lower energy than the p orbitals. However, the d orbitals have higher energy than the p orbitals, and the f orbitals have higher energy than the d orbitals. Therefore, the correct order should be: 4s < 4p < 4d < 4f.
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