Chapter 15 Student

Chapter 15 Student - Chapter 15 How atoms bond and...

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Unformatted text preview: Chapter 15 How atoms bond and molecules attract Valence shell-The outermost occupied shell of an atom Electron-dot structure- A shorthand notation of the shell model of an atom, in which valence electrons are shown around an atomic symbol Electron-dot structure also called Lewis dot structure Named after American chemist Gilbert Newton Lewis (1875-1946) First proposed shells and valence electrons Non-bonding pairs- Two paired valence electrons that tend not to participate in a chemical bond Ion- An electrically charged particle created when an atom either loses or gains one or more electrons Polyatomic ion- An ironically charged molecule Atoms tend to lose or gain electrons that result in an outermost occupied shell filled to capacity Ionic bond- A chemical bond in which an attractive electric force holds ions of opposite charge together Ionic compound- Any chemical compound containing ions Metallic bond- A chemical bond in which positively charged metal ions are held together within a fluid Alloy- A mixture of two or more metallic elements...
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Chapter 15 Student - Chapter 15 How atoms bond and...

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