What is the name of the element? How many protons does it have Neutrons? Electrons?

Do you have the letter(s) of the element ?

Picture or letters of the element, would love to help

Ibelieve the answer is d

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.