Light‐emitting diodes

Which electronic transitions below

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Unformatted text preview: sion below as either absorption or emission of energy. Which electronic transitions below would result in the emission of a photon with the highest energy? Absorption a. 2s → 3p Absorption b. 3p → 6d c. 4p → 2s Emission with the highest energy (look at Fig 6.11, p. 226 to help deduce the answer) Emission d. 5f → 3d 3. a. Fill the table for quantum numbers and relate this information to the orbitals on an atom. n value l value 1 2 2 3 3 3 4 4 4 4 0 0 1 0 1 2 0 1 2 3 Sub-shell type 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f ml values Number of orbitals in sub-shell 0 1 0 1 +1, 0, -1 3 0 1 +1, 0, -1 3 +2, +1, 0, -1, -2 5 0 1 +1, 0, -1 3 +2, +1, 0, -1, -2 5 +3,...
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