Post Utme Ksu 2020 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2020 Post Utme Ksu Chemistry examination.

Post Utme Ksu 2020 Chemistry Objective / Multiple Choice

Question 11 POST_UTME_KSU • 2020 • 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?

Correct Answer A. The effective nuclear charge increases across a period.

B. The atomic radius increases across a period.

C. The number of electrons in the outermost energy level increases across a period.

D. The atomic radius remains cons\tant across a period.

Correct Answer

Correct Option:

The effective nuclear charge increases across a period.

This is Post Utme Ksu 2020 Chemistry Question 11. It is one of the objective questions from the 2020 Post Utme Ksu Chemistry examination.

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