Waec Model Questions Vol1 2023 Chemistry Question 42
Practice objective / multiple choice question 42 from the 2023 Waec Model Questions Vol1 Chemistry examination.
The diagram shows the ground‑state electron configuration of an element, with three shells containing 2, 8 and 7 electrons respectively. Identify the element, state its group (family) in the periodic table, and give one common oxidation state of this element.
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This is Waec Model Questions Vol1 2023 Chemistry Question 42. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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