Arrangement of the following group of orbitals in which they fill the electrons:
(5f, 6p, 4p, 6s, 4d, 4f)

Arrange the following orbital in the increasing order of the energy 3s, 4d, 2p, 4s,3p

Arrange the following orbital in the increasing order of the energy 3s, 4d, 2p, 4s,3p

Arrange the following orbital in the increasing order of the energy 3s, 4d, 2p, 4s,3p

Arrange the following orbitals in increasing order of energy. 4f,5p,4s,3d

Arrange the following orbitals in the order in which electrons may be normally expected to fill them 3 s, 2 p, 3 p, 2 s, 3 d, 4 s

Among 3d, 4s, 4p orbitals, which one fills last by an electron? And why?