The Covalent Bond
Naming Molecules
Drawing Molecules
Molecular Geometry
Electronegativity and Polarity
100

This chemical bond results from sharing electrons

Covalent Bond
100

 This is the name for the formula N2O4

Dinitrogen Tetroxide

100

In this figure dots represent lone pairs and a line is used to symbolize a single covalent bond

Lewis Structures

100

The shape of a molecule is determined by this model

VSEPR Model

100

This is the term for an unequal sharing of electrons

Polar Covalent Bond

200
A covalent bond is formed by this type of element

Non-metals

200

This is the formula for sulfur hexafluoride

SF6

200

This term is used if there is more than one correct Lewis Structure for a molecule

Resonance

200

This shape is represented below

Trigonal Pyramidal

200

The polarity of a bond is decided by this property of an atom.

Electronegativity

300

This is the name used for a substance containing only covalent bonds

Molecule

300

This is the name for the formula C2H5

Dicarbon pentahydride

300

This drawing is the Lewis Structure for NH3

300

This shape is represented below.

Trigonal bipyramidal

300

This type of bond has the biggest difference in electronegativity between the two elements.

ionic bond

400

This refers to the amount of energy required to break a covalent bond

Bond dissociation energy

400

This is the formula for the name hydrochloric acid

HCl

400

The Lewis Structure shown below represents this exception to the octet rule

Expanded Octet

400

This shape is represented below

Octahedral

400

The polarity of a molecule is based upon these two characteristics.

Shape (Molecular Geometry)

Polarity of its bonds

500

In this type of reaction more energy is absorbed during breaking bonds, than is released when bonds are formed.

Endothermic Reaction

500

This is the name for the formula H3PO4

Phosphoric acid

500

This drawing represents the correct Lewis structure for BF3

500

This is the correct shape for the molecule SeO2

Bent

500

This molecule is the most polar between CH4 and NH3.

NH3