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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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- The correct order of size would be
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- Consider the isoelectronic series: K^+ , S^(2-) , Cl^- andCa^(2+) the ...
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- The IP1 , IP2 , IP3 , IP4 and IP5 of an element are 7.1 , 14.3 , 34.5 ...
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- The screening effect of d-electrons is
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- The ionization energy of sodium is 495 kJmol^(-1) How much energy is n...
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- IP1 and IP2 of Mg are 178 and 348 K cal mol^(-1). The enthalpy require...
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- The correct order of second I.P.
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- In which case the energy released in minimum
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- Second electron affinity of an element is
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