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When n = 3, l=1, the designation given t...

When n = 3, l=1, the designation given to he orbital is

A

4s

B

4p

C

3s

D

3p

Text Solution

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The correct Answer is:
To determine the designation of the orbital when \( n = 3 \) and \( l = 1 \), we can follow these steps: ### Step 1: Identify the Principal Quantum Number (n) The principal quantum number \( n \) indicates the energy level of the electron in an atom. In this case, \( n = 3 \). ### Step 2: Identify the Azimuthal Quantum Number (l) The azimuthal quantum number \( l \) determines the shape of the orbital. The values of \( l \) correspond to different types of orbitals: - \( l = 0 \) corresponds to an s orbital - \( l = 1 \) corresponds to a p orbital - \( l = 2 \) corresponds to a d orbital - \( l = 3 \) corresponds to an f orbital Since \( l = 1 \), we know that the orbital is a p orbital. ### Step 3: Combine n and l to Find the Orbital Designation The designation of an orbital is given by combining the principal quantum number \( n \) with the letter corresponding to the azimuthal quantum number \( l \). Here, since \( n = 3 \) and \( l = 1 \), the designation of the orbital is \( 3p \). ### Final Answer The designation given to the orbital when \( n = 3 \) and \( l = 1 \) is **3p**. ---
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