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the current statement on the Aufbau prin...

the current statement on the Aufbau principle is that

A

(n-1)d subshell is always lower in energy than ns orbital

B

(n-1)f subshell always has energy more than np subshell

C

5d is lower in energy than 4f

D

6p is lower in energy than 5d

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The correct Answer is:
B
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