Neco 2022 Chemistry Question 46

Practice objective / multiple choice question 46 from the 2022 Neco Chemistry examination.

Neco 2022 Chemistry Objective / Multiple Choice Easy Difficulty
Question 46 NECO • 2022 • CHEMISTRY • objective
Neco 2022 Chemistry Question 46 diagram

The diagram shows a neutral atom with 15 protons, 15 neutrons and electrons arranged in three shells containing 2, 8 and 5 electrons respectively. Identify the element and write its ground‑state electron configuration, e.g., \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}\).

Answer Options

Correct Answer A. Phosphorus, \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}\)
B. Chlorine, \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{5}\)
C. Sulfur, \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}\)
D. Silicon, \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{2}\)
Correct Answer
A
Correct Option:
Phosphorus, \(1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}\)

About This Question

This is Neco 2022 Chemistry Question 46. It is one of the objective questions from the 2022 Neco Chemistry examination.

Difficulty level: Easy .

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