Neco Model Questions Vol1 2023 Chemistry Question 23
Practice objective / multiple choice question 23 from the 2023 Neco Model Questions Vol1 Chemistry examination.
The Bohr‑model diagram shows an element with two electrons in the first shell, eight electrons in the second shell and five electrons in the third shell. (a) Identify the element and write its ground‑state electron configuration in spectroscopic notation. (b) State the most common oxidation state of this element. (c) Write the ionic symbol of the element in that oxidation state.
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About This Question
This is Neco Model Questions Vol1 2023 Chemistry Question 23. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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