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JEE Main Chemistry question

ChemistryStructure of AtomJEE Main

In the electronic configuration of Cu, the last electron goes to a particular orbital. In the formation of , the electron ejects from a particular orbital. What is the sum of azimuthal quantum numbers of these two orbitals?

Answer: 2

Solution

Cu: . The last electron added (by the filling rule) goes into a orbital (), even though is occupied too, since fills after is already singly occupied due to

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Question ID VK-133036