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Chapter 7 & 8
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31
Chemistry
11th Grade
12/08/2011

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Term
Chemical Bond
Definition
The Force That Holds Two Atoms Together
Term
Cation
Definition
A Positively Charged Ion
Term
Anion
Definition
A Negatively Charged ion
Term
Ionic Bond
Definition
Electrostatic Force That Holds Oppositely Charged Particles Together In An Ionic Compound.
Term
Ionic Compounds
Definition
Compounds That Contain Ionic Bonds
Term
Crystal Lattice
Definition
A Three Demensional Geometric Arrangment Of Particles.
Term
Electrolyte
Definition
An Ionic Compund Whose Aqueous Solution Conducts An Electric Current.
Term
Lattice Energy
Definition
Energy Required To Seperate 1Mol Of The ions Of An Ionic Compound
Term
Formula Unit
Definition
Represents The Simplest Ratio Of The Ions Involved.
Term
Monatomic Ion
Definition
A One-Atom Ion, Indicates The Charges Of Common Monatomic Ions
Term
Oxidation Number
Definition
The Charge Of A monatomic Ion
Term
Polyatomic Ions
Definition
Ions Made Up Of More Than One Atom
Term
oxyanion
Definition
A Polyatomic Ion Composed Of An Element, Usually A Non Metal.
Term
Electron Sea Model
Definition
Proposes That All The Metal Atoms In A Metallic Solid Contribute Their Valence Electrons to Form A "Sea"Of Electrons .
Term
Delocalized Electrons
Definition
Free To Move
Term
Metallic Bond
Definition
The Attraction Of A Metallic Cation For Delocalized Electrons
Term
Alloy
Definition
A Mixture Of Elements That Has Metallic PRoperties.
Term
Covalent Bond
Definition
The Chemical Bond That REsults From SHaring Valence Electrons
Term
Molecule
Definition
Formed When 2 Or More Atoms Bond Covalently
Term
Lewis Structure
Definition
Represent The Arrangment Of Electrons In A Molecule
Term
Sigma Bonds
Definition
Single COvalent Bonds
Term
Pi Bond
Definition
Forms When Parallel Orbitals Overlap And Share Electrons
Term
Endothermic Reaction
Definition
Occurs When A Greater Amount Of Energy Is Required To Break The Existing Products
Term
Exothermic Reaction
Definition
Occurs When More ENergy Is Released During Bond Formatioan
Term
Oxyacid
Definition
An Acid That Contains Both A Hydrogen Atom And Oxyanion
Term
Structural Formula
Definition
Uses Letter Symbols And Bonds To SHow Relative Positions Of Atoms
Term
Resonance
Definition
A COndition That occurs When More Than One Valid Lewis Structure Can Be Written For a Molecule Or Ion.
Term
Cooridinate Covalent Bond
Definition
Forms When One Atom Donates Od The ElectronsOr To Be Shared With An Atom Or Ion
Term
VSEPR Model
Definition
Model Used To Determine The Molecular Shape
Term
Hybridization
Definition
A Process In Which Atomic Orbitals Mix ANd Form New Identical Hybrid Orbitals
Term
Polar Covalent Bond
Definition
Unequal Sharing
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