(I need help quick) Periodic Table
High School Reference Sheet
The temperature of a container of oxygen gas is increased from 149K to 298K.
Drag a word into each box to complete the sentences.

Ok where is the image ?

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.