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33 Cards in this Set
- Front
- Back
The forces that hold atoms together in molecules, and ions together in ionic crystals
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Chemical bonds
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Electrons in the outermost shell are called...
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Valence electrons
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Electrons in the inner shells are called...
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Core electrons
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Which Noble Gas does NOT have an octet of electrons in its outermost shell?
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Helium
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Different atoms that have the same electronic configuration but are a different chemical species are called...
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Isoelectronic
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Electron-dot symbols are called...
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Lewis symbols
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Greenish-yellow gas used as a poison in WW 1...
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Chlorine
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The attractive forces between positive and negative ions...
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ionic bonds
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The rule that atoms are more stable with 8 valence electrons...
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Octet Rule
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Necative Ions are called...
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Anions
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Simple Ions of opposite charge can be combined to form...
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Binary compounds
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The bond formed by a shared pair of electrons...
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Covalent bond
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The name for the shared pair of electrons in a covalent bond...
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bonding pair
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Electrons that stay on one atom and are not shared are called...
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Lone pairs...non-bonding pairs
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A covalent linkage in which 2 atoms share 2 pairs of electrons...
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Double bond
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A covalent linkage in which 2 atoms share 3 pair of electrons...
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Triple bond
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A measure of the attraction of an atom in a molecule for a pair of shared electrons...
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electronegativity
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When the electrons in a covalent bond are not equally shared the bond is said to be...
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Polar
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When the electronegativity difference is between 0.5-2.0 the bond is...
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polar covalent
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When the electronegativity difference is greater than 2.0 what kind of bond is formed?
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Ionic
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When the electronegativity is less than 0.5 it forms what kind of bond?
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nonpolar covalent
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What type of ions are charged particles containing 2 or more covalently bonded ions?
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Polyatomic ions
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Theory used to predict the arrangment of atoms about a central atom?
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VSEPR-Valence Shell Electron Pair Repulsion Theory
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Name for a molecule with a positive end and a negative end...
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Dipole
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Name of molecule that has seperate centers of positive and negative charge...
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Polar molecule
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A liquid can change into a gas or vapor in a process called...
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Vaporization
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Vapor changes into a liquid in a process called...
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Condensation
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Substances may go from a solid state directly to a gaseous state, this is called...
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Sublimation
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Strong force that occurs between Hydrogen and another atom when the negative end of one dipole can closely approach the positiveend of another dipole..
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hydrogen bond
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An attractive force between the electron-rich end ofone molecule and the electron-poor end of the next...
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Dispersion forces
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An intimate..homogenousmixture of two or more substances..
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solution
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Name of the substance in a solution that is doing the dissolving...usually in greater amount...
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Solvent
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Name of the substance ina solution that is being dissolved..usually in lesser amount...
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Solute
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