Neco Model Questions Vol1 2018 Chemistry Question 42

Practice objective / multiple choice question 42 from the 2018 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Easy Difficulty

Question 42 NECO_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

Write the ground‑state electron configuration of copper (atomic number 29) and state whether a copper atom is paramagnetic or diamagnetic.

Answer Options

A. [Ar] 3d^{9} 4s^{1}, paramagnetic

B. [Ar] 3d^{10} 4s^{2}, paramagnetic

C. [Ar] 3d^{9} 4s^{2}, paramagnetic

Correct Answer D. [Ar] 3d^{10} 4s^{1}, diamagnetic

Correct Answer

Correct Option:

[Ar] 3d^{10} 4s^{1}, diamagnetic

About This Question

This is Neco Model Questions Vol1 2018 Chemistry Question 42. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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