Which among the following orbitals do not exist?
`1p, 2s, 2d, 2p, 3d, 4f, 4g.

a. When energy of eleçtron is to be taken to zero? b. Which of the following orbitals are not possible? Give reasons 3 s, 1 p, 4 f, 2 d

The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Which of the following orbitals has the highest energy> 5p, 5d, 5f, 6s, 6p.

The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Which of the following orbitals has the lowest energy? 4d, 4f, 5s, 5p.

Which of the following species will not exist? (1) [ A l F 6 ] 3 − (2) [ B F 6 ] 3 − (3)[ G a F 6 ] 3 − (4) [ ln F 6 ] 3 −

Choose the subshell which is not possible? 1s, 2d, 3s, 2p, 4f

Find the wrong electronic configurations fromthefollowing. Whatiswrongin these? 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9, 4s^2

Which of the following orbitals of a diatomic molecule AB oriented along x-axis will not have positive overlap? 2s(A) and 2s(B), 2s(A) and 2p_x (B), 2p_x (A) and 2p_z (B), 2p_x (A) and 2p_x (B)

Arrange the following sub-shells in the in-creasing order of energy 5p, 2s, 4f, 3s, 4s, 3d, 6s.

Complete the following: Fe^(2+) 1s^2 2s^2 2p^6 3s^2 3p^6 3d 4s^

Choose the electronic configurations that are possible from among the following. Explain why the others are impossible. a '1 s^2 2 s^3 2 p^6' b '1s^2 2 s^2 2 p^4' C '1 s^2 2 s^2 2 p^8 3 s^2 3 p^6 3 d^7' d '1 s^2 2 s^2 2 p^6 3 s^2 3 d^9'