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NARAYNA-PERIODIC TABLE -All Questions
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- Which of the following triads have approximately equal size ?
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- Ionic radii of :
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- When the following five anions are arranged in order of decreasing ion...
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- (a),(b) and (c) are elements in the second short period. Oxide of (a) ...
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- The sizes of the second and third row transition elements being almost...
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- EN of the element (A) is E(1) and EA is E(2) hence IP will be :
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- For the element X, student Surbhi measured its radius as 102 nm, Mr. G...
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- The effective nuclear charge on the added electron in F-atom , in the ...
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- Covalent radius of F is 0.72 A^(@) . Calculate its Allred-Rochow's ele...
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- Covalent radius of oxygen is 0.74 A^(@) and its A .R. electronegativi...
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- There are four elements 'P' , 'q' , 'r' and 's' having atomic numbers ...
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- Which of the following statements are correct? (i) Generally the ra...
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- The correct order of atomic radii of the following element Sm(z=62), E...
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- Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-),...
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- Which of the following show amphoteric behaviour? a)Zn(OH)(2) b)BeO c)...
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- In which of the following arrangements, the order is not correct accor...
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- Which of the following statement(s) is /are correct?
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- Which of the following statements is/are correct?
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- Which one of the following statements is/are incorrect : a)Atomic radi...
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