How many orbitals in an atom could have these sets of quantum numbers? a. n=3 1
b. n=5, â„“=1
c. n=5,â„“=3,mâ„“=3

9

3

1

Explanation:

The correct question can be seen in the image attached.

a) The number of orbitals in a shell is the square of the principal quantum number(n). Hence, the number of orbitals present at n=3 is 3^2 =9.

b) n=5, l=1 suggests a 5p sublevel. This sub-level has a total of three degenerate p orbitals, px, py and pz.

c) n= 5 l=3, ml=3 refers to one of the seven degenerate 5f orbitals.

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explanation:

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