Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6

Q.

The order of filling of electrons in the orbitals of an atom will be

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

3d,4s,4p,4d,5s

b

5s,4p,3d,4d,5s

c

3d,4p,4s,4d,5s 

d

4s,3d,4p,5s,4d

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

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

Take Free Test

Detailed Solution

Energy of orbitals is based on Aufbau principle.(n+l) value increases energy increases for different “n” values.

When (n+l) value is same higher the “n” value higher the energy

orbitaln valuel valuen+l value
4s404
3d325
4p415
5s505
4d426

Increasing order : 4s<3d<4p<5s<4d

Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon