Which of the following statements concerning the quantum numbers are correct?

(i) Angular quantum number determines the three dimensional shape of the orbital.

(ii) The principal quantum number determines the orientation and energy of the orbital.

(iii) Magnetic quantum number determines the size of the orbital.

(iv) Spin quantum number of an electron determines the orientation of the spin of electron relative to the chosen axis.

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Vishal Baghel | Contributor-Level 10

4 months ago

This is a Multiple Choice Questions as classified in NCERT Exemplar

Ans: option (i)& (iv)

Principal quantum number (n): It represents the size and energy of orbitals.
Azimuthal quantum number (l): It represents the subshell and shape of orbitals.
Magnetic quantum number (ml): It represents the orientation of the orbitals.
Spin quantum number (ms): It represents the direction of spin of electrons in the orbitals.

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