The p orbital has:

Correct answer: A. 2 lobes

  • A. 2 lobes
  • B. 3 lobes
  • C. 4 lobes
  • D. 5 lobes

Explanation

The p orbital has 2 lobes because its wavefunction solution to the Schrödinger equation has a single node at the nucleus, leading to two regions of high electron probability on opposite sides of the nucleus. This shape corresponds to l = 1, the quantum number for p orbitals.

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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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