Neco Model Questions Vol1 2017 Chemistry Question 17
Practice objective / multiple choice question 17 from the 2017 Neco Model Questions Vol1 Chemistry examination.
The diagram shows the Bohr model of a neutral atom of element X. The K shell contains 2 electrons, the L shell contains 8 electrons, and the M shell contains 7 electrons. (i) Determine the atomic number of element X. (ii) State the group number of element X in the periodic table. (iii) Give the most common oxidation state of element X.
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About This Question
This is Neco Model Questions Vol1 2017 Chemistry Question 17. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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