Neco Model Questions Vol1 2018 Chemistry Question 16

Practice objective / multiple choice question 16 from the 2018 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Easy Difficulty
Question 16 NECO_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

The electron configuration of an element is \(1s^{2}\,2s^{2}\,2p^{6}\,3s^{2}\,3p^{5}\). Determine the group number of the element in the periodic table and state its most common oxidation state.

Answer Options

A. Group 18; oxidation state 0
Correct Answer B. Group 17; oxidation state -1
C. Group 16; oxidation state -2
D. Group 15; oxidation state -3
Correct Answer
B
Correct Option:
Group 17; oxidation state -1

About This Question

This is Neco Model Questions Vol1 2018 Chemistry Question 16. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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