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For the second period elements the correct increasing order of first ionization enthalpy is:
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Important Questions on Classification of Elements and Periodicity in Properties
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The correct order of atomic radii in group elements is
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The element has been discovered recently. It will belong to which of the following family/group and electronic configuration?
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Among the following, the correct order of acidity is:
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In which of the following options the order of arrangement does not agree with the variation of property indicated against it?
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The electronic configurations of Eu (Atomic no. ), Gd (Atomic no. ) and Tb (Atomic no. ) are:
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The species and contain the same number of electrons. In which order do their radii increase?
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Which of the following orders of ionic radii is correctly represented?
