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Che1501 - Chapter 7.4 -7.5 Summary

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Institution University Of South Africa (Unisa)
Course CHE1501 - General Chemistry IA
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a brief review of the main points and questions, as well as their responses. perfect for exam revision

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,
, 7.4 Formal charges and resonance

Formal Charge
• The formal charge of an atom in a molecule is the hypothetical char
the atom would have if we could redistribute the electrons in the bo
evenly between the atoms.
• # valence shell electrons (free atom) − # lone pair electrons
• − ½ # bonding electrons
• The formal charge is hypothetical and not the actual charge on an at
• Formal charges are useful for predicting molecular structure, as we
see.
Connected book
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Paul Flowers, Klaus Hellmut Theopold, Richard Langley, William R. Robinson, Mark Blaser, Simon Gregory Bott, Donald Carpenetti, Andrew Eklund, Emad El-Giar, Donald Dieter Frantz, Paul Hooker, George Kaminski, Jennifer Look, Carol Martinez, Troy Milliken, Chemistry
Publisher: 2015 ISBN: 9781938168390 Edition: Unknown

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