Question

7 what is the sequence of energies of 35, 3p & 3rd
orbitals in an multi- é atom.​

Answer 1

Answer:

Energies of orbitals of hydrogen and hydrogen-like particles depend upon the value of principal quantum (n) number only, those of multi-electron atoms depend both upon principal quantum number( n ) as well as azimuthal quantum number(l).

The energy depends on n+l value. Higher the values of n+l, higher are the energy.

For 3rd shell, n= 3

For s orbital, l=0

For p orbital, l=1

For d orbital, l=2

In the 3rd shell, energies are in the order: 3s < 3p < 3d.

Hence, the correct option is C

Answer 2

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