Gce Model Questions Vol1 2020 Chemistry Question 37

Practice objective / multiple choice question 37 from the 2020 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Easy Difficulty

Question 37 GCE_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

Write the ground‑state electron configuration of iron (atomic number 26) and state how many unpaired electrons are present in this configuration.

Answer Options

Correct Answer A. [Ar] 3d^6 4s^2 ; 4 unpaired electrons

B. [Ar] 3d^6 4s^1 ; 5 unpaired electrons

C. [Ar] 3d^5 4s^2 ; 3 unpaired electrons

D. [Ar] 3d^7 4s^2 ; 2 unpaired electrons

Correct Answer

Correct Option:

[Ar] 3d^6 4s^2 ; 4 unpaired electrons

About This Question

This is Gce Model Questions Vol1 2020 Chemistry Question 37. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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