Which of the following statements regarding subshell filling order for a neutral atom is/are correct?
(P) Electrons are assigned to the 4s subshell before they are assigned to the 3d subshell
(Q) Electrons are assigned to the 4f subshell before they are assigned to the 6s subshell
(R) Electrons are assigned to the 4d subshell before they are assigned to the 5p subshell

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

P, Q and R

P and R

P only

Q only

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Statements P and R regarding subshell filling order for a neutral atom are correct

(P) Electrons are assigned to the 4s subshell before they are assigned to the 3d subshell

(R) Electrons are assigned to the 4d subshell before they are assigned to the 5p subshell

The lower energy orbitals are first filled with electrons. Electrons occupy the 4s orbital first, followed by the 3d orbital, since the 4s orbital has a lower energy than the 3d orbital.

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE