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Which is the lowest principal energy lev...

Which is the lowest principal energy level that permits the existence of f-subshell?

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For f-subshell the value of azimuthal quantum number l is 3. so the lowest principal energy level that permits the existence of f-subhsell is the fourth shell (i.e., N-shell).
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
  1. 4f-subshell of an atom contains 10 electrons. How many of these electr...

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  2. Write the expresion for orbital angular momentum of a revolving electr...

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  3. Mention the sequence in which the following orbitals are filled up by ...

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  4. What is the maximum number of 4d-electrons with spin quantum number s=...

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  5. is it possible for atoms with even atomic number to contain unpaired e...

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  6. Write the electronic configurations of Cu and Cr-atoms?

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  7. Write the electronic configurations of Fe^(2+) and Cu^(+) ions.

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  8. Which of the following has maximum number of unpaired electrons? (i) M...

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  9. Calculate the number of unpaired electrons in N-atom.

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  10. How many electrons of Ne-atom have clockwise spin?

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  11. Why an electron pair in an orbital have opposite spin?

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  12. Write the names and symbols of an atom, a cation and an anion with the...

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  13. Which quantum numbers specify the size and the shape of electronic orb...

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  14. Write down the values of four quantum numbers of the electron in the o...

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  15. How many nodes are there in 3s-orbital?

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  16. how many nodal points are there in 3p-orbital?

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  17. Indicate principal annd azimuthal quantum numbers for the subshells: (...

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  18. Which is the lowest principal energy level that permits the existence ...

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  19. An element (symbol M) has 26 protons in the nucleus. Write the electro...

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  20. There are 8 electrons in 3d-subhsell of an atom. Among these, what wil...

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