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P orbitals

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Intro to Chemistry

Definition

P orbitals are a type of atomic orbital with a dumbbell shape that can hold up to six electrons, and they exist in three orientations (px, py, pz). They are higher in energy than s orbitals and start appearing in the second energy level (n=2).

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5 Must Know Facts For Your Next Test

  1. Each p orbital can hold a maximum of two electrons.
  2. There are three p orbitals per energy level starting from n=2: px, py, and pz.
  3. P orbitals have a dumbbell shape with lobes oriented along the x, y, and z axes.
  4. The angular momentum quantum number (l) for p orbitals is 1.
  5. P orbitals play a significant role in the chemical bonding and molecular geometry of elements.

Review Questions

  • How many electrons can occupy one p orbital?
  • At which principal energy level do p orbitals first appear?
  • What is the shape of a p orbital?

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