Post Utme Futa 2023 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2023 Post Utme Futa Chemistry examination.

Post Utme Futa 2023 Chemistry Objective / Multiple Choice

Question 21 POST_UTME_FUTA • 2023 • CHEMISTRY • objective

The atomic radius of an element in a period increases as you move from left to right, but decreases as you move down a group. Explain this periodic tr\end.

A. Due to the increase in nuclear charge, the electrons are pulled closer to the nucleus.

Correct Answer B. As you move down a group, the number of energy levels increases, resulting in a larger atomic radius.

C. The atomic radius increases as you move down a group due to the increase in the number of energy levels.

D. The atomic radius decreases as you move down a group due to the increase in nuclear charge.

Correct Answer

Correct Option:

As you move down a group, the number of energy levels increases, resulting in a larger atomic radius.

This is Post Utme Futa 2023 Chemistry Question 21. It is one of the objective questions from the 2023 Post Utme Futa Chemistry examination.

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