Waec Model Questions Vol1 2025 Chemistry Question 28

Practice objective / multiple choice question 28 from the 2025 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Easy Difficulty

Question 28 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

Phosphorus forms a divalent cation P²⁺. Write the ground‑state electron configuration of the P²⁺ ion and state the number of unpaired electrons present.

Answer Options

A. [Ar] 3s² 3p⁰, 0 unpaired electrons

B. [Ar] 3s¹ 3p³, 3 unpaired electrons

Correct Answer C. [Ar] 3s² 3p¹, 1 unpaired electron

D. [Ar] 3s² 3p², 2 unpaired electrons

Correct Answer

Correct Option:

[Ar] 3s² 3p¹, 1 unpaired electron

About This Question

This is Waec Model Questions Vol1 2025 Chemistry Question 28. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

View More Waec Model Questions Vol1 2025 Chemistry Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support