For each of the following pairs of the hydrogen orbits indicate which is higher is energy

For each of the following pair of hydrogen orbitals, indicate which is higher in erergy : (i) 1s, 2s " " (ii) 2p, 3p (iii) 3d_(xy) , 3d_(yz) " " (iv) 3s, 3d (v) 4f, 5s.

Which of the following pair of evidences indicates the common ancestry ?

Which of the following pairs has higher resonance energy :

Which of the following pairs has higher resonance energy :

Which of the following pairs has higher resonance energy :

Which of the following pairs has higher resonance energy :

Which of the following pairs has higher resonance energy: