Question

What is the maximum number of electrons that may be present in all the atomic orbitals with principle quantum no. 3 and azimuthal quantum no. 2?

Answer 1

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Here's the answer you are looking for

The principal quantum number is 3, that means the 3rd shell.

Azimuthal quantum number is 2, that means D orbital.

This is because,
0 → s - orbital
1 → p - orbital
2 → d - orbital and so on

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So, we have to find number of electrons present in 3d orbital.

The principal quantum number doesn't affect the number of electrons present in an orbital. So, ultimately, the number of electrons present in 3d = number of electrons present in d orbital = 10


Thus, the 3d orbital contains 10 electrons.


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Answer 2

the total number of electrons are 10