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From the ground state electronic configu...

From the ground state electronic configuration of Sc (z = 21), write down the- possible values of four quantum numbers of 21 th electron of the element.

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UNITED BOOK HOUSE-HARE SCHOOL QUESTION PAPER -EXERCISE
  1. A neutral atom contains 2K, 8L, 9M and 2N electrons. Writing its elect...

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  2. A neutral atom contains 2K, 8L, 9M and 2N electrons. Writing its elect...

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  3. From the ground state electronic configuration of Sc (z = 21), write d...

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  4. What is ‘radiationless orbit'? To be radiationaless what is the defini...

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  5. Mention the hybridised state for each carbon atom marked with numerals...

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  6. Give the structure of neo pentyl chloride with the formula C5H11CI.

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  7. Select a pair of chain isomers from the following:

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  8. A macroscopic dust particle of mass 0.01 mg is. moving with a velocity...

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  9. State the Hund’s rule of maximum multiplicity. Wh Fe^(3+) ion is more ...

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  10. If the outer most electron configurationof an element is 3d^7 4S^2, th...

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  11. Explain the cause of Lantharide contraction.

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  12. Arrange the followings in increasing order as directed : C, Be, N, B,...

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  13. Arrange the followings in increasing order as directed : P, F, O, Cs, ...

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  14. Arrange the followings in increasing order as directed : CI2O7, AI2O3,...

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  15. Between NH3 and NF3, which has higher dipole moment value? Draw the st...

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  16. PbCl4 is less stable than SnCl4 while PbCl2 is more stable than SnCl2....

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  17. Write down three abnormal behavious of lithium.

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  18. Discuss the principle for the manufacture of sodium carbonate by Sol...

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  19. Explain : Anhydrous magnesium chloride is prepared by heating MgCl2 . ...

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  20. Arrange the following in order of increasing solubility : CaSO4, BeSO4...

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