Moderate

With the increase in the value of Principal Quantum Number 'n', the shape of the s-orbitals remains the same although their sizes :

Correct answer: B. Increase

A. Decrease
B. Increase
C. Remain the same
D. May or may not remain the same

Explanation

For a given atom, the s orbitals also become higher in energy as n increases because of their increased distance from the nucleus.

Last updated 1 September 2026

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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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With the increase in the value of Principal Quantum Number 'n', the shape of the s-orbitals remains the same although their sizes :

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