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Consequences of the pauli exclusion principle for a

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Unformatted text preview: antum numbers n, l, ml , and ms. Consequences of the Pauli Exclusion Principle: • For a given orbital the values of n, l, ml are fixed. Thus, if we put more than one e- in a single orbital they must have different ms values. spin • Because there are only two ms values, then an orbital can hold a maximum of two electrons, and they must have opposite spins. 3 05-Sep-13 Notation Orbital diagrams: each orbital is represented by a box (or line) and each electron by a half arrow. A half arrow pointing up (↑) represents ms = +1/2 while a half arrow pointing down (↓) represents ms = -1/2. The nlx notation: Each subshell is represented by the value of n, the letter representation of l (s, p, d, or f ) and the superscript ‘x’, which corresponds to number of e- in the subshell. The subshells are written in order of increasing energy and the number of electrons in each subshell is indicated by a superscript. nlx notation: electrons # of _______________ in subshell 2p6 Principal quantum number, n (shell) Angula...
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