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CHEMISTRY
Chapter 5 & 6
23
General Vocab
Not Applicable
12/06/2005

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Cards

Term
octet rule
Definition
chemical bonding- atoms tend to have either empty valence shells of eight electrons
Term
ion
Definition
atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
Term
cation
Definition
positive ion
Term
anion
Definition
negative ion
Term
salt
Definition
ionic compound that forms when a metala tom or positive radical replace the hydrogen of an acid
Term
crystal lattice
Definition
pattern in which a crystal is arranged
Term
unit cell
Definition
smallest portion of a crystal lattice that shows the 3D pattern of the entire lattice
Term
bond length
Definition
distance between two bonded atoms at minimum potential energy; average distance between nuclei of two bonded atoms
Term
bond energy
Definition
energy required to break bonds in 1 mol of a chemical compound
Term
nonpolar covalent bond
Definition
covalent bond in which bonding electrons are equally attracted to both bonded atoms
Term
polar covalent bond
Definition
covalent bond in which a shared pair of electrons is held more closely by one of the atoms
Term
dipole
Definition
molecule or part of a molecule that contains both positive or negative charged regions
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