Correct energy value order is [Orissa JEE 2004]

• A. \[ns\ np\ nd(n-1)f\]
• B. \[ns\ np(n-1)d\ (n-2)f\]
• C. \[ns\ np(n-1)d\ (n-1)f\]
• D. \[ns(n-1)d\ n(n-1)f\]