Post Utme Uniben 2023 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2023 Post Utme Uniben Chemistry examination.

Post Utme Uniben 2023 Chemistry Objective / Multiple Choice
Question 11 POST_UTME_UNIBEN • 2023 • CHEMISTRY • objective

The atomic radius of an element in the periodic table increases down a group due to the addition of new energy levels. However, this tr\end is disrupted in the case of the noble gases. Explain the reason behind this disruption.

Answer Options

Correct Answer A. The noble gases have a full outer energy level, making it difficult for them to form compounds and thus disrupting the tr\end.
B. The noble gases have a higher atomic radius due to the presence of more protons in their nucleus.
C. The noble gases have a lower atomic radius due to the presence of more electrons in their outer energy level.
D. The noble gases have a unique electronic configuration that makes them resis\tant to changes in atomic radius.
Correct Answer
A
Correct Option:
The noble gases have a full outer energy level, making it difficult for them to form compounds and thus disrupting the tr\end.

About This Question

This is Post Utme Uniben 2023 Chemistry Question 11. It is one of the objective questions from the 2023 Post Utme Uniben Chemistry examination.

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