Post Utme Redeemers University 2017 Chemistry Question 16

Practice objective / multiple choice question 16 from the 2017 Post Utme Redeemers University Chemistry examination.

Post Utme Redeemers University 2017 Chemistry Objective / Multiple Choice
Question 16 POST_UTME_REDEEMERS_UNIVERSITY • 2017 • 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, the atomic radius of an element in the periodic table decreases across a period due to the increase in effective nuclear charge. What is the correct explanation for this tr\end?

Answer Options

A. The addition of new energy levels increases the atomic radius.
Correct Answer B. The increase in effective nuclear charge decreases the atomic radius.
C. The atomic radius is inversely proportional to the atomic number.
D. The atomic radius is directly proportional to the atomic number.
Correct Answer
B
Correct Option:
The increase in effective nuclear charge decreases the atomic radius.

About This Question

This is Post Utme Redeemers University 2017 Chemistry Question 16. It is one of the objective questions from the 2017 Post Utme Redeemers University Chemistry examination.

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