Post Utme Abu 2024 Chemistry Question 26

Practice objective / multiple choice question 26 from the 2024 Post Utme Abu Chemistry examination.

Post Utme Abu 2024 Chemistry Objective / Multiple Choice
Question 26 POST_UTME_ABU • 2024 • CHEMISTRY • objective

The atomic radius of an element decreases across a period in the periodic table due to the increase in the effective nuclear charge. However, the atomic radius of an element increases down a group in the periodic table due to the increase in the number of energy levels. Which of the following statements is NOT true?

Answer Options

A. The atomic radius of an element decreases across a period in the periodic table due to the increase in the effective nuclear charge.
B. The atomic radius of an element increases down a group in the periodic table due to the increase in the number of energy levels.
C. The atomic radius of an element decreases down a group in the periodic table due to the increase in the effective nuclear charge.
Correct Answer D. The atomic radius of an element increases across a period in the periodic table due to the increase in the number of energy levels.
Correct Answer
D
Correct Option:
The atomic radius of an element increases across a period in the periodic table due to the increase in the number of energy levels.

About This Question

This is Post Utme Abu 2024 Chemistry Question 26. It is one of the objective questions from the 2024 Post Utme Abu Chemistry examination.

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