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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-I
- Eka-aluminium and Eka-silicon are
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- Considering the elements from left to right in the third period of the...
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- Which of the following ions has the largest heat of hydration?
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- According to Moseley, a straight line graph is obtained on plotting.
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- An element having electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2)...
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- The first ionisation potential of Na, Mg, Al and Si are in the order
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- The pair of elements violating the law of octaves among the following ...
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- Diagonal relationship is due to
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- The atom having the valence shell electronic configuration 4s^(2)4p^(2...
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- The general electronic configuration of transition elements is:
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- The ionic radii of isoelectronic species 'N^(3-), O^(2-)' and 'F^-' in...
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- Which of the following is not isoelectronic series:
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- The radius of isoelectronic series
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- In a period, the elements having least melting point are:
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- Which of the following represents a correct sequence of electronegativ...
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- Which of the following order of atomic/ionic radius is not correct
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- The best reason to account for the general tendency of atomic diameter...
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- In which of the following pairs, the ionisation energy of the first sp...
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- The correct order of stability of Al^(+), Al^(+2), Al^(+3) is
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- Which of the following transitions involves maximum amount of energy?
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