1.

The total number of orbitals in an energy level designated by principal quantum number \[n\] is equal to             [AIIMS 1997; J&K CET 2005]

A.                 \[2n\]   
B.                 \[2{{n}^{2}}\]
C.                 \[n\]     
D.                 \[{{n}^{2}}\]
Answer» E.


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