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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-ADVANCED EXERCISE
- The basic nature of hydroxides of group 13 (III-A) decreases progressi...
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- Moving from right to left in a periodic table, the atomic size is :
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- The increasing order of electronegativity in the following elements :
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- One element has atomic weight 39. Its electronic configuration is 1s^(...
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- The number of paired electrons in oxygen atom is :
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- The decreasing size of K^(+),Ca^(2+),Cl^(-) & S^(2-) follows the order...
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- The incorrect statement Among the following is A)The first ionisation...
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- Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)
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- Which one of the following statement (s) is (are) correct?
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- The ground state electronic configuration of nitrogen atom can be repr...
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- The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...
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- Assertion: F atom has less negative electron gain enthaply than Cl ato...
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- The correct order of radii is
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- The IE of Be is greater than that of B.
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- The set representing correct order of IP(1) is
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- The least stable ion among the following is
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- The maximum number of electrons that can have principal quantum number...
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- In an atom, the total number of electrons 'having quantum numbers' n =...
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- The correct order of atomic radii in group 13 elements is
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- The option (s) with only amphoteric oxides is (are)
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