(i) Define principal quantum number(n). (ii) Write the electronic configuration of `Cr^+` [Atomic number of `Cr = 24`]

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Q 3102191038.     (i) Define principal quantum number(n).
(ii) Write the electronic configuration of `Cr^+`
[Atomic number of `Cr = 24`].
(iii) Define Pauli's exclusion principle.

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