8.4 The Exclusion Principle and the Periodic Table

Pauli's ban on repeated quantum-number sets, subshell filling order, and electron configurations that account for chemical periodicity across the elements.

University Physics Volume 3, 8.4 The Exclusion Principle and the Periodic Table

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6 exercises

8.4 Exercise 2

Compare the electron configurations of the elements in the same column of the periodic table.

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8.4 Exercise 4

(a) How many electrons can be in the $n = 4$ shell?

(b) What are its subshells, and how many electrons can be in each?

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8.4 Exercise 6

Unreasonable result. Which of the following spectroscopic notations are not allowed? (a) $5 s^{1}$ (b) $1 d^{1}$ (c) $4 s^{3}$ (d) $3 p^{7}$ (e) $5 g^{15}$ . State which rule is violated for each notation that is not allowed.

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8.4 Exercise 8

Write the electron configuration for iron.

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8.4 Exercise 10

(a) If one subshell of an atom has nine electrons in it, what is the minimum value of l? (b) What is the spectroscopic notation for this atom, if this subshell is part of the $n = 3$ shell?

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8.4 Exercise 12

Write the electron configuration for carbon.

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