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Fill in the blanks : (i) The size of a...

Fill in the blanks :
(i) The size of an orbital is dependent on the value of …………… .
(ii) The orbitals having the same energies are called ………………. .
(iii) The number of unpaired electrons in carbon is ……………..and in nitrogen is ……………….. .
(iv) The shape of 1s-orbital is ………….. .
(v) ……………….filled orbitals have extra stability .

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MODERN PUBLICATION-STRUCTURE OF ATOM-Revision Exercises (Short Answer Questions)
  1. How many orbital and how many electron are there in each of the first ...

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  2. Give the electronic configurations of the following ions : (i) H^- ...

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  3. Fill in the blanks : (i) The size of an orbital is dependent on the ...

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  4. Define Aufbau principle. Which of the following orbitals are possible ...

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  5. With the help of Pauli's exclusion principle and the concept of atomic...

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  6. What is an orbital ? How will you differentiate between an orbit and o...

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  7. Compare the shapes of 1s- and 2s-orbitals.

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  8. What is the difference between the notations l and L ?

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  9. How many electrons are there in the valence quantum level of copper (a...

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  10. Write the electronic configuration of the following elements : Carbo...

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  11. Identify the atoms that have the following ground state electronic con...

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  12. Why does in the building of an atom, the filling of 4s orbital takes...

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  13. The electronic configuration of copper is [Ar] 4s^(1) 3d^(10) and not...

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  14. An atom of an element has 19 electrons. Find out : (a) its atomic n...

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  15. Define atomic orbital. Give the shapes of s and p orbitals.

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  16. What is Hund's rule of maximum multiplicity ? Illustrate this by takin...

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  17. Half-filled and fully-filled orbital orbitals are more stable

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  18. What is Aufbau principle ? Write the electroni configurations of the e...

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  19. Draw the shape of an orbital which has l = 0.

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  20. State Aufbua principle. Write electronic configurations of the element...

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