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ionic bond
electrostatic attraction between oppositely charged ions
covalent bond
a bond formed by the sharing of electrons between atoms
pure covalent bond
two identical nonmetals sharing electrons equally. It is nonpolar.
i.e.: Cl₂
polar covalent bond
a covalent bond between atoms with different electronegativity (differnce ~ 0.5 - 1.8)
electronegativity
the ability of an atom in a molecule to attract shared electrons to itself
Lewis symbol
Consists of the element''s chemical symbol and a dot for each valence electron
Lewis structure
diagram showing lone pairs and bonding pairs of electrons in a molecule or ion
octet rule
Atoms bond in order to obtain a total of 8 valence electrons
single bond
a covalent bond in which one pair of electrons is shared between two atoms.
double bond
covalent bond formed by the sharing of two pairs of electrons between two atoms
triple bond
a covalent bond in which two atoms share three pairs of electrons
VSEPR Theory
This predicts molecule's 3D shape based on Lewis Dot Structures.
electron-pair geometry
arrangement around a central atom of all regions of electron density ( this includes bonds and lone pairs)
molecular structure
the 3D arrangement of atoms in a molecule
dipole moment
a molecule that has a center of positive charge and a center of negative charge
molecular polarity
molecule with a dipole moment
