17719646-10-Chem-Chapter-7-Chemical-Formulas-and-Bonding

17719646-10-Chem-Chapter-7-Chemical-Formulas-and-Bonding -...

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Chemical Formulas and Bonding Ionic Bonding   - Ionic Bond:  a positively charged ion is attracted to a negatively charged ion - Ionic bonds are commonly formed between the ions of a metallic element, such  as sodium, and a nonmetallic element, such as chlorine - Ionic Compound:  a compound that is composed entirely of ions  - Cations : are positively charged particles in ionic compounds - Anions:  are negatively charged particles in ionic compounds  The Octet Rule - Atoms tend to gain, lose, or share electrons in order to acquire a full set of  valence electrons - The octet rule has exceptions, like Hydrogen Types of Ions - Monatomic Ions  are ions that are formed from one atom - Polyatomic Ions  are ions made from 1 or more atoms - Monatomic Cations  elements that need to lose 2 electrons in order to reach the  electron configuration of the nearest noble gas - Monatomic Anions 
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This note was uploaded on 09/23/2009 for the course CHEM 120 taught by Professor Johnmichael during the Spring '09 term at Tennessee Martin.

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17719646-10-Chem-Chapter-7-Chemical-Formulas-and-Bonding -...

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