Atomic Structure Question 356
Question: According to Aufbau’s principle, which of the three $ 4d,,5p $ and $ 5s $ will be filled with electrons first
Options:
A) $ 4d $
B) $ 5p $
C) $ 5s $
D) $ 4d $ and $ 5s $ will be filled simultaneously
Show Answer
Answer:
Correct Answer: C
Solution:
According to the Aufbau-s principle, electron will be first enters in those orbital which have least energy. So decreasing order of energy is $ 5p,>,4d>,5s. $
