Gce Model Questions Vol1 2017 Chemistry Question 29

Practice objective / multiple choice question 29 from the 2017 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Easy Difficulty
Question 29 GCE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective
Gce Model Questions Vol1 2017 Chemistry Question 29 diagram

The diagram shows a Bohr model of an element X. The first shell (K) contains 2 electrons, the second shell (L) contains 8 electrons, and the third shell (M) contains 7 electrons. Identify the element and write its ground‑state electron configuration in spectroscopic notation.

Answer Options

A. Argon, \(1s^2 2s^2 2p^6 3s^2 3p^6\)
Correct Answer 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. Phosphorus, \(1s^2 2s^2 2p^6 3s^2 3p^3\)
Correct Answer
B
Correct Option:
Chlorine, \(1s^2 2s^2 2p^6 3s^2 3p^5\)

About This Question

This is Gce Model Questions Vol1 2017 Chemistry Question 29. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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