Post Utme Greenfield University 2023 Chemistry Question 35

Practice objective / multiple choice question 35 from the 2023 Post Utme Greenfield University Chemistry examination.

Post Utme Greenfield University 2023 Chemistry Objective / Multiple Choice
Question 35 POST_UTME_GREENFIELD_UNIVERSITY • 2023 • CHEMISTRY • objective

A certain element has an atomic number of 18 and an atomic radius of 150 pm. What is its electron configuration?

Answer Options

A. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰
Correct Answer B. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶
C. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s²
D. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰
Correct Answer
B
Correct Option:
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

About This Question

This is Post Utme Greenfield University 2023 Chemistry Question 35. It is one of the objective questions from the 2023 Post Utme Greenfield University Chemistry examination.

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