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In which of the following orbitals , the...

In which of the following orbitals , the sum of `( n+l)` value is lowest ?
`4s, 3d, 4p`

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To determine which of the given orbitals (4s, 3d, 4p) has the lowest sum of (n + l), we will follow these steps: ### Step 1: Identify the values of n and l for each orbital. - For the **4s** orbital: - The principal quantum number (n) is **4**. - The azimuthal quantum number (l) for s orbitals is **0**. - For the **3d** orbital: ...
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