Suppose ‘X’ is an element which belongs to the group II B of Mende – InterviewSolution

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1.	Suppose ‘X’ is an element which belongs to the group II B of Mendeleev’s periodic table and ‘Y’ is another element which belongs to the group VII A of Mendeleev’s periodic table. The chemical formula of oxides of ‘X’ and ‘Y’ respectively are
Answer» Suppose ‘X’ is an element which belongs to the group II B of Mendeleev’s periodic table and ‘Y’ is another element which belongs to the group VII A of Mendeleev’s periodic table. The chemical formula of oxides of ‘X’ and ‘Y’ respectively are

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