Neco 2017 Chemistry Question 34

Practice objective / multiple choice question 34 from the 2017 Neco Chemistry examination.

Neco 2017 Chemistry Objective / Multiple Choice Easy Difficulty

Question 34 NECO • 2017 • CHEMISTRY • objective

Write the ground‑state electron configuration of the element with atomic number \(29\) and state the number of unpaired electrons in its outermost shell.

Correct Answer A. [Ar] 3d^{10} 4s^{1}; 1 unpaired electron

B. [Ar] 3d^{9} 4s^{1}; 2 unpaired electrons

C. [Ar] 3d^{9} 4s^{2}; 2 unpaired electrons

D. [Ar] 3d^{10} 4s^{2}; 0 unpaired electrons

Correct Answer

Correct Option:

[Ar] 3d^{10} 4s^{1}; 1 unpaired electron

This is Neco 2017 Chemistry Question 34. It is one of the objective questions from the 2017 Neco Chemistry examination.

Difficulty level: Easy .

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