Term Symbols A term symbol gives a detailed description of an electron configura

Question

Term Symbols A term symbol gives a detailed description of an electron configuration Some Definitions Shell - set of 2(2l+ 1) orbitals with a given n (principal quantum numberl, and I (angular momentum quantum number) 1 quantum number), and .If all shell are filled, we call it "closed shell Aiso known as If not, "open shell" . he number distinct ways to assign k electrons to an open shell t) For closed shell, number of states is 1 2(21+ k1 2421+1)-k Example: ground state electron configuration of a carbon atom, 1s 25 2p The two 2p electrons could be in any of the three 2p orbitals and have any spins consistent with the Pauli Exclusion Principle . 6! =15 different states The energies of these different states may differ, thus a more detailed designation of the electronic states of atoms is needed 2 [6-2]

Explanation / Answer

1) 10! /(2! x8! ) =45 (Total 10 electrone can fell in d orbital)

2) 14! /(3! x 11! ) =364.(Total 14 electrone can fell in f orbital)

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