Neco Model Questions Vol1 2017 Chemistry Question 4
Practice objective / multiple choice question 4 from the 2017 Neco Model Questions Vol1 Chemistry examination.
An element X has the ground‑state electron configuration \(1s^{2}\,2s^{2}\,2p^{6}\,3s^{2}\,3p^{4}\). Identify the element, state its group number in the periodic table, and give the number of unpaired electrons in its ground state.
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About This Question
This is Neco Model Questions Vol1 2017 Chemistry Question 4. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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