Among the following pairs of orbitals which orbital will experience the larger effective nuclear charge ?
(i) 2s and 3s (ii) 4d and 4f (iii) 3d and 3p

Which of the following pairs of d-orbitals will have electron density along the axes?

Among 3p, 4s, 3d, 4p orbitals which has least energy ?

The n + l value of 3d orbital is

Among 3d, 4s, 4p orbitals, which one has least orbital energy ? Why ?

Which of the following orbitals are possible ? (2s,1p,3f,2p)

The bromine atom possesses 35 electrons. It contains 6 electrons in 2p orbital, 6 electrons in 3p orbital and 5 electrons in 4p orbital. Which of these electrons experience the lowest effective nuclear charge ?

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

In 4s, 4p, 4d, 3d orbitals, which one has least energy ?

Which of the following element does not contain '3s' orbital ?