Hund's Rule, Definition, Example, and Application - Chemistry Notes
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Hund's Rule, Definition, Example, and Application - Chemistry Notes
Definition: Hund's rule refers to a set of rules that are used as the guidelines for filling electrons in the orbital and spin of an electron in the orbital.
Nov 28, 2021
Hund's rules Hunds Rules Explained
Use Hund's rules to find the spectroscopic description of the g... | Filo
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Match the following rules with their statements : Rules Statements (i) Hund's Rule (a) No two electrons in an atom can have the same set of four quantum numbers. (ii) Aufbau Principle - Chemistry | Shaalaa.com
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SOLVED:(a) Show that the following formulae summarize the Hund's rules for a shell of angular momentum l containing n electrons: S=1 / 2[(2 l 1)-|2 l 1-n|] L=S[2 l 1-n] J=|2 l-n| S (b) For a given L S -multiplet, verify that (2 L 1)(2 S 1)=∑|L-S|^|L S|(2 J 1) (c) Find the ground state of (i) Eu^2 in the configuration 4 f^7 5  s^2 p^6 (ii) Dy^3 in the configuration 4 f^9 5  s^2 p^6 (iii) Tm^3 in the configuration 4 f^12 5  s^2 p^6
SOLVED:(a) Show that the following formulae summarize the Hund's rules for a shell of angular momentum l containing n electrons: S=1 / 2[(2 l 1)-|2 l 1-n|] L=S[2 l 1-n] J=|2 l-n| S (b) For a given L S -multiplet, verify that (2 L 1)(2 S 1)=∑|L-S|^|L S|(2 J 1) (c) Find the ground state of (i) Eu^2 in the configuration 4 f^7 5  s^2 p^6 (ii) Dy^3 in the configuration 4 f^9 5  s^2 p^6 (iii) Tm^3 in the configuration 4 f^12 5  s^2 p^6
numerade.com
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