Moderate

Which of the following statements in relation to the Chlorine atom is correct?

Correct answer: D. 3d orbitals are higher in energy than 3s and 3p orbitals

  • A. 3s and 3p orbitals are of higher energy than 3d orbital
  • B. 3p orbital is higher in energy than 3d orbital
  • C. 3s orbital is higher in energy than 3p orbital
  • D. 3d orbitals are higher in energy than 3s and 3p orbitals

Explanation

The increasing order of energy of subshells of 3rd shell is : 3s<3p<3d ,hence 3d has more energy than 3s and 3p both.

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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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