Neco Model Questions Vol1 2025 Chemistry Question 19

Practice objective / multiple choice question 19 from the 2025 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Easy Difficulty
Question 19 NECO_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

The diagram depicts a Bohr model of an atom with three electron shells containing 2, 8 and 5 electrons respectively. Identify the element and write its ground‑state electron configuration in subshell notation.

Answer Options

A. Sulfur; 1s^2 2s^2 2p^6 3s^2 3p^4
B. Chlorine; 1s^2 2s^2 2p^6 3s^2 3p^5
C. Silicon; 1s^2 2s^2 2p^6 3s^2 3p^2
Correct Answer D. Phosphorus; 1s^2 2s^2 2p^6 3s^2 3p^3
Correct Answer
D
Correct Option:
Phosphorus; 1s^2 2s^2 2p^6 3s^2 3p^3

About This Question

This is Neco Model Questions Vol1 2025 Chemistry Question 19. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

View More Neco Model Questions Vol1 2025 Chemistry Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support