Answer question no. 17(i) to 17(iv) on the basis of your understanding of the following paragraph and related studied concepts. Atoms of eight elements A,B,C,D,E,F,G and H have the same number of electron shells but different number of electrons in their outermost shells. It was found that elements A and G combine to form an ionic compound This ionic compound is added in a small amount to almost all vegetable and dishes during cooking. Oxides of elements A and B are basic in nature while those of E and F are acidic. The oxide of element D is however, almost neutral. Based on the above information answer the following questions:
(ii) Which two of these elements could definitely be metals and which would be non metals?
(iv) Which of the above element unreactive chemically?
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