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6.1
6.2
6.3
6.4
6.5
100
Chemical Bonding
mutual electric attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
100
molecule
a neutral group of atoms that are held together by covalent bonds
100
Single bond
covalent bond in which one pair of electrons is shared between two atoms.
100
ionic compounds
composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
100
VSEPR
states that repulsion between the sets of valence-level electrons surrounding an atom causes these sets to be oriented as far apart as possible.
200
Ionic Bonding
Chemical bonding that results from the electric attraction between cations and anions
200
Molecular Formula
chemical compound whose simplest units are molecules 
200
Multiple bond
double or triple bonds are reffered
200
Formula Unit
Simplest collection of atoms from which anionic compound's formula can be established
300
Covalent Bonding
Sharing of electron pairs between 2 atoms
300
Bond energy
energy required to break a chemical bond and form neutral isolated atoms
300
Resonance
refers to bonding in molecules or ions that cannot be correctly represented by a single lewis structure.
300
lattice energy
the energy released when one mole of an ionic crystalline compound is formed from gaseous ions
400
Polar
have an uneven distribution of charge
400
Molecular Formula 
shows the types and numbers of atoms combined in a single molecule of a molecular compound
400
structural formula 
indicated the kind, number, arrangement and bonds but not the unshared pairs of the atoms in a  molecule
400
Polyatomic ion
charged group of covalently bonded atoms
500
polar-covalent bond
a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons
500
Chemical Formula
indicated the relative numbers of atoms combined in a single molecule of a molecular compound
500
lewis structure
atoms represented by dot symbols or dashes to show electron pairs