Neco 2023 Chemistry Question 29

Practice objective / multiple choice question 29 from the 2023 Neco Chemistry examination.

Neco 2023 Chemistry Objective / Multiple Choice Easy Difficulty

Question 29 NECO • 2023 • CHEMISTRY • objective

Write the ground‑state electron configuration for the element with atomic number 26 and state the number of unpaired electrons in its outermost d‑subshell.

A. [Ar] 3d^{5} 4s^{2}, 5 unpaired electrons

B. [Ar] 3d^{7} 4s^{2}, 3 unpaired electrons

Correct Answer C. [Ar] 3d^{6} 4s^{2}, 4 unpaired electrons

D. [Ar] 3d^{6} 4s^{1}, 5 unpaired electrons

Correct Answer

Correct Option:

[Ar] 3d^{6} 4s^{2}, 4 unpaired electrons

This is Neco 2023 Chemistry Question 29. It is one of the objective questions from the 2023 Neco Chemistry examination.

Difficulty level: Easy .

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