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What is Aufbau principle ? Write the ele...

What is Aufbau principle ? Write the electroni configurations of the elements of atomic numbers 16,20,24 and 35.

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`[Ar] 3d^(10) 4s^(1), ` one
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MODERN PUBLICATION-STRUCTURE OF ATOM-Revision Exercises (Short Answer Questions)
  1. Compare the shapes of 1s- and 2s-orbitals.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. State and explain Pauli's exclusion principle. Write the electronic co...

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  17. What is Hund's rule of maximum multiplicity ? Explain by taking examp...

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  18. The magnetic quantum number specifies.

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  19. What is the experimental evidence in support of the diea that electron...

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  20. The effect of uncertainty principle is significant only for motion of ...

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