In an open system, the vapor pressure is equal to the outside air pressure.
t or f?

Wind will blow from one direction to another.

The answer is letter c

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.