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Atoms of eight elements A, B, C, D, E, F...

Atoms of eight elements A, B, C, D, E, F, G and H have the same number of electronic shells but are different number of electrons in their outermost shells. It was found that elements A and G combine to form an ionic compound which can also be extracted from sea water. Oxides of the elements A and B are basic in nature while those of E and F are acidic. The oxide of elements D is almost neutral.
Which two elements amongst these are likely to be the non-metals ?

A

A and G

B

D and F

C

E and F

D

A and B

Text Solution

Verified by Experts

The correct Answer is:
C
E and F belong to group 15 and 16 as they form acidic oxides.
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OSWAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -CASE - BASED MCQs
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  5. Mendeleev was a Russian chemist, who contributed the most for the deve...

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  7. Write valency of element E.

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  8. Identify the elements which have similar chemical properties as the el...

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  9. The number of period that the modern periodic table has

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  10. Which of them will have largest atomic radii:

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  13. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  14. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  15. Atoms of eight elements A, B, C, D, E, F, G and H have the same number...

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  16. Which is the most reactive metal ?

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  17. Name the family of fluorine Q, R, T:

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  18. Which of the following element belongs to group 2?

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  19. Which other element is likely to present in the group in which fluori...

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  20. Name the element P placed below Carbon in group 14:

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