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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Atomic structure covers the discovery of the proton, Planck's quantum theory, hydrogen emission spectra and the evidence for quantized energy levels. You will use quantum numbers to describe orbitals, distinguish s, p, d and f orbital shapes, and write electronic configurations, including the correct order of electron filling.
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