Gce Model Questions Vol1 2023 Chemistry Question 45

Practice objective / multiple choice question 45 from the 2023 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Easy Difficulty

Question 45 GCE_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

Write the ground‑state electron configuration for a neutral chromium (Cr) atom and state the number of unpaired electrons in this configuration.

Answer Options

Correct Answer A. [Ar] 3d⁵ 4s¹; 6 unpaired electrons

B. [Ar] 3d³ 4s²; 3 unpaired electrons

C. [Ar] 3d⁴ 4s²; 4 unpaired electrons

D. [Ar] 3d⁶ 4s¹; 5 unpaired electrons

Correct Answer

Correct Option:

[Ar] 3d⁵ 4s¹; 6 unpaired electrons

About This Question

This is Gce Model Questions Vol1 2023 Chemistry Question 45. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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