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Chem w17-18

Study for Quize

QuestionAnswer
The bonds holding ions together Ionic Bonds (or intermolecular forces)
Melting/boiling point of ions are... Very High
Ions are soluble in... Polar Solvents
Ions are conductive in... Liquid state or in a solution
The forces holding cations and mobile electrons bonded are... Metallic bonds
The melting/boiling point of cations and mobile electrons are... High
The solubility of cations and mobile electrons... not soluble
The forces holding polar molecules together are... Dispersion forces Dipole-Dipole and Hydrogen bonds possible
The melting/boiling point of polar molecules is... Low
The solubility of polar molecules... Usually in polar solvents
The forces holding nonpolar molecules together... Dispersion forces
The melting/boiling point of nonpolar molecules... Lowest
The solubility of nonpolar molecules... only in nonpolar solvents
The conductivity of nonpolar molecules... Not conductive 1
The conductivity of polar molecues Not conductive 2
The conductivity of cations and mobile electrons conductive in any state
Hydrogen Bond Strongest of intermolecular forces, between a water molecule and another molecule
Dipole-Dipole Bond Medium stregnt of the intermolecular forces, between polar molecules
Dispersion Bond Weakest of the intermolecular forces, electrons move causing imbalances
Unit cell the smallest number of ions to make a basic shape
Formula unit The simplest whole number ratio of atoms in a crystal
Allotrophic The property of some chemical elements to exist in two or more different forms
Dissociation An endothermic reaction (absorbs energy)where the molecules are pulled apart creating ions
Solvation An exothermic reactions (releasing energy)where the molecules are surrounded creating a more stable, low energy situation
Henry's Law Shows a direct relationship between the solubility of a gas and the partial pressure of that gas
Created by: wendyk44
 

 



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