Enter the number of electrons in each energy level (shell) for each of the elements. If the energy level does not contain any electrons, enter a 0 . It may help to refer to the periodic table. He: n=1 n= n=3 n= n=1n=n=3n=4 n=1n=?n=? n=1n=n=3n=? What is the neutral atom that has its first two energy levels filled, has 5 electrons in its third energy level, and has no other electrons? Enter the name of the element, not the abbreviation