For each atom in its ground state, determine the number of electrons in each energy shell. if there are no electrons in an energy shell, enter a 0 for that shell. na , na, energy shell 1: na , na, energy shell 2: na , na, energy shell 3: na , na, energy shell 4: al , al, energy shell 1: al , al, energy shell 2: al , al, energy shell 3: al , al, energy shell 4: p , p, energy shell 1: p , p, energy shell 2: p , p, energy shell 3: p , p, energy shell 4: s , s, energy shell 1: