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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
- The elements A, B and C have atomic numbers Z -2, Z and Z +1 respecive...
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- Why do transition elements have a greater tendency to form co-ordinate...
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- Give four defects of 'Mendeleev's periodic table.
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- Consider the following species. N^(3-) , O^(2-) , Na^+ , Mg^(+2) , Al...
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- Consider the following species. N^(3-) , O^(2-) , Na^+ , Mg^(+2) , Al...
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- First I.P. of Be is greater than B.
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- First I.P. of N is greater than O Explain.
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- The first I.P. of 'C' is greater than of 'B' where as reverse is true ...
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- Arrange the following in order of increasing radii. I^-, I, I^+,
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- Arrange the following in order of increasing radii. F, Cl, Br
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- Electron gain enthalpy of Cl is more negative than F though electroneg...
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- What is the reason of periodicity in the periodic table?
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- What is the voriation of lonisation Energy in a group?
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- If the Electron. Affinity of Chlorine is -3.7 cr then how energy is re...
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- What is Lanthanide contraction?
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- What is the cause of Lanthanide contraction.
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- The element 119 has not been descovered. What would be the IUPAC name ...
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- Write the names and deduce the atomic numbers of the following. The ...
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- Write the names and deduce the atomic numbers of the following. the ...
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- Write the names and deduce the atomic numbers of the following. The ...
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