chemistry terms

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bond angle angle at which adjacent atoms in a molecule are attached  
electron dot structure a notion that depicts valence electrons as dots around the atomic symbol of the element  
hybridization a process in which several atomic orbital S mix to form the same number of equivalent hybrid orbitals  
octet rule atoms react by gaining or losing electrons so as to acquire the stable electron of a noble gas  
anion an atom or group of atoms with a negative charge  
cation an atom or group of atoms with a positive charge  
polar molecule a molecule like water in which 1 or more is slightly positive  
structural formula a chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion  
unshared pair a pair of valence electrons that is not involved in bonding  
valence electrons an electron in the highest occupied energy level of an atom  
VSEPR theory valence-shell elecron pair repulsion theory  
van der Waals forces a form used to describe the weakest intermolecular attractions  
dispersion force the weakest kind of ntermolecular attraction  
hydrogen bond a relatively strong intermolecular force in which a hydron bond atom that is covalently bonded to a very electronegative atom is also weakly bonded to an unshared electron pair of another elecronegative atom in the same molecule  

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