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AP Chemistry 2.5 Lewis Diagrams Questions

Practice AP Chemistry 2.5 questions on drawing complete Lewis diagrams for molecules, showing bonding pairs, lone pairs, and octet arrangements.

Syllabus
Effective Fall 2025
Course
AP Chemistry

Exam points

  • Use thermodynamic relationships among ΔH°, ΔS°, ΔG°, and temperature to predict reaction favorability.
  • Calculate or interpret equilibrium constants and temperature effects from free-energy and entropy data.

Covered syllabus points

2.5.A—Represent a molecule with a Lewis diagram

Question 1

[Maximum number: 1]

White phosphorus is composed of P4\mathrm{P}_{4} molecules with a tetrahedral structure, as shown in the diagram on the left. Each P atom is bonded to the other three P atoms by single bonds, as shown in the incomplete Lewis diagram on the right.

Figure for Question 1 — AP Chemistry
Figure for Question 1 — AP Chemistry

In the box in part A, complete the Lewis diagram for P4\mathrm{P}_{4} by drawing the nonbonding electrons.

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