Post Utme Rsu 2025 Chemistry Question 16

Practice objective / multiple choice question 16 from the 2025 Post Utme Rsu Chemistry examination.

Post Utme Rsu 2025 Chemistry Objective / Multiple Choice
Question 16 POST_UTME_RSU • 2025 • CHEMISTRY • objective

The atomic radius of an element decreases across a period in the periodic table. Which of the following is a correct explanation for this tr\end?

Answer Options

Correct Answer A. The atomic radius decreases due to the increase in effective nuclear charge.
B. The atomic radius decreases due to the decrease in atomic mass.
C. The atomic radius decreases due to the increase in electron-electron repulsion.
D. The atomic radius decreases due to the decrease in atomic size.
Correct Answer
A
Correct Option:
The atomic radius decreases due to the increase in effective nuclear charge.

About This Question

This is Post Utme Rsu 2025 Chemistry Question 16. It is one of the objective questions from the 2025 Post Utme Rsu Chemistry examination.

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