Neco Model Questions Vol1 2025 Chemistry Question 47
Practice objective / multiple choice question 47 from the 2025 Neco Model Questions Vol1 Chemistry examination.
An unknown element X has the electron configuration \(1s^{2}\,2s^{2}\,2p^{6}\,3s^{2}\,3p^{5}\). Identify the element, state its group number in the periodic table and give its most common oxidation state.
Answer Options
About This Question
This is Neco Model Questions Vol1 2025 Chemistry Question 47. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.