6.1
6.2
6.3
6.4
100
is a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together. 
Chemical Bond
100
Is a neutral group of atoms that are held together by covalent bonds.
Molecule
100
Is composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal. 
Ionic compound
100
The chemical bonding that results from the attraction between metal atoms and the surroundings sea of electrons.
Metallic bonding
200
Chemical bonding that results from the electrical attraction between cations and anions.
Ionic bonding
200
A chemical compound whose simplest units are units are molecules. 
Molecular compound
200
Is the simplest collection of atoms from which an ionic compounds formula can be established.
Formula unit
200
Is the ability of a substance to be hammered or beaten into thin sheets.
Malleabillity
300
Results from sharing of electrons pairs between two atoms.
Covalent Bonding
300
Indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts. 
Chemical Formula
300
Is the energy released when one mole of an ionic crystalline compound is formed from gaseous ion.
Lattice energy
300
Is the ability of a substance to be drawn, pulled, or extruded.
Ductility
400
A covalent bond in which the bonding electrons are shared equally by the bonded atoms.
Nonpolar-Covalent bond
400
Shows the types and numbers of atomic atoms combined in a single molecule of a molecular compound.
Molecular Formula
400
A charged group of covalently bonded atoms.
Polyatomic ion
400
States that repulsion between the sets of valence-level electrons surroundings an atom causes.
VSEPR theory
500
Meaning that they have an uneven distribution of charge.
Polar
500
Is the energy required to break a chemical bond.
Bond energy