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Arrange the following orbital in the inc...

Arrange the following orbital in the increasing order of the energy
`3s, 4d, 2p, 4s,3p`

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To arrange the orbitals `3s, 4d, 2p, 4s, 3p` in increasing order of energy, we will use the n + l rule. This rule states that the energy of an orbital can be determined by the sum of its principal quantum number (n) and its azimuthal quantum number (l). The lower the value of n + l, the lower the energy of the orbital. If two orbitals have the same n + l value, the one with the lower n value has lower energy. ### Step-by-Step Solution: 1. **Identify n and l for each orbital**: - For `3s`: - n = 3, l = 0 (s orbital) - n + l = 3 + 0 = 3 ...
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