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The elements x,y and z are present in on...

The elements x,y and z are present in one period of the periodic table. Chemically their oxides are acidic, amphoteric and basic respectively. When these elements are arranged in ascending order of atomic number they are

A

x, y, z

B

z, y, x

C

y, z, x

D

y, x, z

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The correct Answer is:
B
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -C.U.Q
  1. Electronegativity is the property related to

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  2. The values that are useful in writing chemical formulae and in calcula...

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  3. Let electronegativity, ionisation energy and electron affinity by repr...

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  4. In which group all the elements do not have same number of valence ele...

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  5. Metal exhibiting higher oxidation state is in which block ?

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  6. Among the following outermost configurations of transitionn metals, wh...

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  7. The less electropositive element is

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  8. Electropositivity is very high for

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  9. The most electropositive element is

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  10. Which one of the following electronic configurations corresponds to ...

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  11. Most metallic element has the following electron arrangement in its at...

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  12. Among (a) Na(2)O (b) MgO, (c) Al(2)O(3), (d) P(2)O(5) (e) Cl(2)O(7) th...

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  13. Which of the following cannot form an amphoteric oxide ?

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  14. The elements x,y and z are present in one period of the periodic table...

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  15. Boron and Silicon resemble chemically. This is due to the equal value ...

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  16. The electronegativity of Be is same as that of

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  17. Beryllium shows diagonal relationship with aluminum . Which of the fol...

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  18. Diagonal relationship is shown by

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  19. Diagonal relationsgip is quite pronounced in the elements of

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  20. The pair of elements that have similar chemical properties are

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