Question

determine the orbital whose n value is 5 and l value is 3​

Answer 1

Answer:

5f

Explanation:

So, n=5 means it is the fifth electron shell. 'l' is the azimuthal quantum number and it describes electron subshell (s,p,d etc.). Basically, l=0 corresponds to s orbital, l=1 – p orbital, l=2 – d orbital and l=3 – f orbital. So, the final notation is 5f.

Answer 2

Electrons are assigned to orbitals in order of increasing value of (n+l). For subshells with the same value of (n+l), electrons are assigned first to the subshell with lower n.

For orbitalA,n=3, l=2, therefore, n+l=5

For orbitalB,n=5, l=0, therefore, n+l=5

So, larger the n, greater is the energy.

So, the energy of B > energy of A.

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