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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-ADVANCED EXERCISE
- The increasing order of electronegativity in the following elements :
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- One element has atomic weight 39. Its electronic configuration is 1s^(...
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- The number of paired electrons in oxygen atom is :
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- The decreasing size of K^(+),Ca^(2+),Cl^(-) & S^(2-) follows the order...
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- Which of the following has the maximum number of unpaired electrons ?
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- The incorrect statement Among the following is A)The first ionisation...
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- Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)
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- Which one of the following statement (s) is (are) correct?
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- The electrons identified by the following quantum numbers n and l: (i)...
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- Gaseous state electronic configuration of ntrogen atom can be represen...
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- The electronic configuration of an element is 1s^(2), 2s^(2), 2p^(6), ...
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- Statement-1 : F arom has a less negative electron gain enthalpy than C...
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- The correct order of radii is :
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- The IE of Be is greater than that of B.
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- The set representing correct order of IP(1) is
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- The least stable in amongst the following is :
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- The maximum number of electrons that can have principal quantum number...
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- In an atom, the total number of electrons having quantum numbers n =...
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- The increasing order of atomic radii of the following group 13 element...
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- The option (s) with only amphoteric oxides is (are)
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