Gce Model Questions Vol1 2022 Chemistry Question 39

Practice objective / multiple choice question 39 from the 2022 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Easy Difficulty
Question 39 GCE_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

The diagram shows a lithium atom with two electrons in the K shell and one electron in the L shell. Using this information, write the ground‑state electron configuration of lithium in spectroscopic notation and state the number of unpaired electrons.

Answer Options

A. 1s2 2s1, 0
Correct Answer B. 1s2 2s1, 1
C. 1s2 2s2, 0
D. 1s2 2p1, 1
Correct Answer
B
Correct Option:
1s2 2s1, 1

About This Question

This is Gce Model Questions Vol1 2022 Chemistry Question 39. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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