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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -REVISION EXERCISE (TRUE OR FALSE QUESTION)
- The elemnts cerium (Z = 58) and neptunium (Z = 93) belong to f-block e...
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- The electron gain enthalpy of oxygen is "" that of sulphur.
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- Explain the following a) Electronegatively of elements increase on m...
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- Chlorine is the most electronegative element in the periodic table.
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- In isoelectronic species Cl^(-),Ar,Ca^(2+) size differ due to
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- The first ionization enthalpy of O is lower than that of N.
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- The effective nuclear charge across the period (from left to right)
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- Among O,O^(-) ,O^(2-) select a species which has smallest radius and g...
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- Why does phosphorous has higher ionization enthalpy than sulphur?
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- S has more negative electron gain enthalpy than O why ?
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- The electron gain enthalpies of noble gases are positive.
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- Which of the following has the highest negative electron gain entahlpy...
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