Neco 2021 Chemistry Question 7
Practice objective / multiple choice question 7 from the 2021 Neco Chemistry examination.
The diagram shows a highlighted element in the periodic table. Identify the element and state its atomic number and the two most common oxidation states of this element.
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About This Question
This is Neco 2021 Chemistry Question 7. It is one of the objective questions from the 2021 Neco Chemistry examination.
Difficulty level: Easy .
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