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Which of the following electronic configuration of an atom has the lowest ionisation enthalpy?
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Important Questions on Classification of Elements and Periodicity in Properties
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Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy ?
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Among the elements and , the order of increasing atomic radii is
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The correct order of the decreasing ionic radii among the following is electronic species are:
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Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements and ?
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What is the value of electron gain enthalpy of if of ?
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Identify the wrong statement in the following:
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Which of the following orders of ionic radii is correctly represented?
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Reason of lanthanoid contraction is:
