Question

Which of the following are filled according to the Aufbau's Principle.

• A. $1s^{2}2s^1$
• B. $2p^{5}3s^1$
• C. $2p^{6}3s^1$
• D. $4s^{2}3d^5$
• E. $4p^{5}3s^1$
• F. $4p^{6}5s^2$
• G. $4f^{1}45d^1$
• H. $3s^{1}2p^5$

Answer 1

Answer: (A), (C), (D), (F), (G)

$4f^{1}45d^1$